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": ""}
  :2 UNITED STATES  ABIALES  634   marilandica m +n    Occasional at edg-e of Thuja swamp along Van Ettan Lake/ pine river 8C    8Y 44.502967     along Van Ettan Lake/ pine river t    ~ APIACEAE  ap Sanicula marilandica   IOSCO wvR     722 k%E.]   o8 Nm john v. freudenstein SANICULA kv# 
{"catalogNumber": "", "order": "Apiales", "family": "Apiaceae", "scientificName": "Sanicula marilandica", "scientificNameAuthorship": "", "genus": "Sanicula", "subgenus": "", "specificEpithet": "marilandica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "722", "verbatimEventDate": "", "habitat": "Occasional at edge of Thuja swamp along Van Ettan Lake/ pine river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iosco", "municipality": "", "locality": "along Van Ettan Lake/ pine river", "decimalLatitude": "44.502967", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}