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": ""}
   Ue 1503516 ROSACEAE Tr 6     g, ARGUTA DANE  87    rM;h$ wisconsin  rosales kscx    UNITED STATES K5lH   s.n. ~O#]   Drymocallis arguta 3 w   1860 zo   madison ?  Drymocallis *9N:   jERD6 s.h. watson     v%2 (Pursh) Rydb.
{"catalogNumber": "1503516", "order": "Rosales", "family": "Rosaceae", "scientificName": "Drymocallis arguta", "scientificNameAuthorship": "(Pursh) Rydb.", "genus": "Drymocallis", "subgenus": "", "specificEpithet": "arguta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.H. Watson", "recordNumber": "s.n.", "verbatimEventDate": "1860", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Dane", "municipality": "", "locality": "Madison", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}