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": ""}
1854-06 nw    E RANUNCULUS     1515347 =A8Q+   ]-Nd abortivus    r l.  CJIgU 42.6847  K> berkshire massachusetts H#]    (pGw UNITED STATES  v3|2E ranunculaceae GEORGE L. AMES N     i_ s.n. Ranunculales . 1    6WILLIAMSTOWN 6rq    7 -73.2283  E:M RANUNCULUS ABORTIVUS  
{"catalogNumber": "1515347", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus abortivus", "scientificNameAuthorship": "L.", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "abortivus", "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": ""}