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": ""}
   $/9  1857-06-17   t  Gapsella bursa-pastoris   l Rbrassicaceae  ,V east dorset (town of dorset)   ;P)b bursa-pastoris     UNITED STATES >      Cz Capsella  cD 1515401    Wl GEORGE . AMES  -73.0515 3II    
{"catalogNumber": "1515401", "order": "", "family": "Brassicaceae", "scientificName": "Capsella bursa-pastoris", "scientificNameAuthorship": "", "genus": "Capsella", "subgenus": "", "specificEpithet": "bursa-pastoris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "", "verbatimEventDate": "1857-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "East Dorset (Town of Dorset)", "decimalLatitude": "", "decimalLongitude": "-73.0515", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}