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": ""}
 veracruz e  )   1660974 ]     L6 1921-02    .6 Euphorbiaceae     LOCALITY PRESENT BUT ILLEGIVBLE/NOT TRANSLATED FOR CATALOG NO: 166O974       i croton  R. Riina hP]a   CROTON DRACO [;?     a&l mexico    
{"catalogNumber": "1660974", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton draco", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1921-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "Locality present but illegible/not translated for catalog no: 1660974", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}