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": ""}
42.66028 .G    ~,Wc "Frequent in dry gravelly ground, Plentiful."  UNITED STAT6ES D?BT   Specimen found west of Robert's Landing a+F      -pB ST. CLAIR  (L.) Cabrera [UBI$       W& 1217800  ? Y T -82.51818   Y G4mochaeta purpurea Charles K. Dodge .>    u asterales   Gamochaeta 70Pv 
{"catalogNumber": "1217800", "order": "Asterales", "family": "", "scientificName": "Gamochaeta purpurea", "scientificNameAuthorship": "(L.) Cabrera", "genus": "Gamochaeta", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Frequent in dry gravelly ground, Plentiful.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "St. Clair", "municipality": "", "locality": "Specimen found west of Robert's Landing", "decimalLatitude": "42.66028", "decimalLongitude": "-82.51818", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}