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": ""}
   : greene     1935-07-21      MoM   PAUL C. STANDLEY    BRASSICALES l    2mX_ 2273  a@ 1271928  CORNELIUS H. MULLER &o9    DRABA nx   mexico fR  neomexicana ?    
{"catalogNumber": "1271928", "order": "Brassicales", "family": "", "scientificName": "", "scientificNameAuthorship": "Greene", "genus": "Draba", "subgenus": "", "specificEpithet": "neomexicana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul C. Standley", "recordedBy": "Cornelius H. Muller", "recordNumber": "2273", "verbatimEventDate": "1935-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}