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": ""}
Vent. 1O<     q  S.N.  )  Massachus8etts  4xx4 Robinia viscosa     ROBINIA  ar   Williamstown Ds   Us 1539870      berkshire fabaceae   q    george l. ames ><o  viscosa JtJAH       Q]Qx -73.2283
{"catalogNumber": "1539870", "order": "", "family": "Fabaceae", "scientificName": "Robinia viscosa", "scientificNameAuthorship": "Vent.", "genus": "Robinia", "subgenus": "", "specificEpithet": "viscosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Massachusetts", "county": "Berkshire", "municipality": "", "locality": "Williamstown", "decimalLatitude": "", "decimalLongitude": "-73.2283", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}