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": ""}
 u_4 GRPM 44208       50Do COPTIS OCCIDENTALIS    (nutt.) torr. & a. gray pI  RANUNCULACEAE V   s.n. m57=   Z:Vvz united states 1893-07-07 F1*6      |1498762 G?<0  occidentalis FvOY   CF coptis    
{"catalogNumber": "1498762", "order": "", "family": "Ranunculaceae", "scientificName": "Coptis occidentalis", "scientificNameAuthorship": "(Nutt.) Torr. & A. Gray", "genus": "Coptis", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1893-07-07", "habitat": "", "occurrenceRemarks": "GRPM 44208", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}