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": ""}
 0 MASSACHUSETTS   1854-06 NIM]  WILLIAMSTOWN #  1515355 z   bl: berkshire    a5qhQ Ranunculales pensylvanicus m~   george l. ames V@U]   Qpy) -73.2283   od UNITED STATES   w^S l. f. ranunculus pensylvanicus MI      RANUNCULACEAE Kw%      7<S Ranunculus  z   s.n.  w 42.6847
{"catalogNumber": "1515355", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus pensylvanicus", "scientificNameAuthorship": "L. f.", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "pensylvanicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1854-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Berkshire", "municipality": "", "locality": "Williamstown", "decimalLatitude": "42.6847", "decimalLongitude": "-73.2283", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}