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": ""}
 CONTACT VM HERBARIUM TC        521 ,]  140703 4 +$    OM t. p. bank, jr.    1r)qj United States          h8z trin. ex griseb. 1948-O8-22 Ak  BROMUS ALEUTENSIS 7nn42  aleutensis ]S39  
{"catalogNumber": "1407073", "order": "", "family": "", "scientificName": "Bromus aleutensis", "scientificNameAuthorship": "Trin. ex Griseb.", "genus": "", "subgenus": "", "specificEpithet": "aleutensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T. P. Bank, Jr.", "recordNumber": "521", "verbatimEventDate": "1948-08-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}