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": ""}
  On~a KUNTH nitidula >   2.G veracruz   _bb| mexico  , 837    1981-09-24 D    1264215 uS~GR       =+ CUPHEA     CUPHEA NITIDULA V$=@U   VS^ Shirley A. Graham   avru Myrtales
{"catalogNumber": "1264215", "order": "Myrtales", "family": "", "scientificName": "Cuphea nitidula", "scientificNameAuthorship": "Kunth", "genus": "Cuphea", "subgenus": "", "specificEpithet": "nitidula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Shirley A. Graham", "recordedBy": "", "recordNumber": "837", "verbatimEventDate": "1981-09-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}