Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
croton B       CR0TON DIOICUS 84^;n  shafter lake, 8 miles north, northwest of andrews. deep sands of hills adjacent to the lake $nQzn  cav. 1oj?     Euphorbiaceae9 J96   1543190 zxx    k L united state5     &k  malpighiales   occasi0nal sub-shrub from medium 7o woody root @k>   ?  gypsum crystals frequent in sads, dominant vegetation of yucca, sals0la, and grasses Chester M. Rowell wC    Wf5,y 5880 texas RMgBb^  
{"catalogNumber": "1543190", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton dioicus", "scientificNameAuthorship": "Cav.", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Chester M. Rowell", "recordNumber": "5880", "verbatimEventDate": "", "habitat": "Gypsum crystals frequent in sands, Dominant vegetation of Yucca, Salsola, and grasses", "occurrenceRemarks": "Occasional sub-shrub from medium to woody root", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Shafter Lake, 8 miles north, northwest of Andrews. Deep sands of hills adjacent to the lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}