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": ""}
   ECbRo -104.389 975 [<g   Euphorbia grisea 2     AUTLÃ¡N DEZ NAVARRO 4*00]    MEXICO C?Y)*    1949-07-11    engelm.ex boiss. m, robert l. wilbur rs /   [&q_ 1157840   S DRY ARROYO    S`Vw2 euphorbiaceae   
{"catalogNumber": "1157840", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia grisea", "scientificNameAuthorship": "Engelm. ex Boiss.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Wilbur", "recordNumber": "", "verbatimEventDate": "1949-07-11", "habitat": "Dry arroyo", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Autl\u00c3\u00a1n de Navarro", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-104.389", "verbatimCoordinates": "", "minimumElevationInMeters": "975", "maximumElevationInMeters": ""}