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": ""}
  1987-08-12 E  boott       just north of franklin & virginia. along highway 53. at lauentian divide. xl   + :V MINNESOTA      jn arctata  david castaner  JQ    #  CAREX s.n. k  st. louis Lw ?t    ! united states     1361942    POALES rQ 
{"catalogNumber": "1361942", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "arctata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David Castaner", "recordNumber": "s.n.", "verbatimEventDate": "1987-08-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "St. Louis", "municipality": "", "locality": "Just north of Franklin & Virginia. Along Highway 53. At Laurentian Divide.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}