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": ""}
    ) lobelia spicata  r~ja A.A. [ANN ARBOR]      UNITED STATES fJ      c.f 1860-06-18 "blue." [one of 2 specimens "approaching var. hirtella" (rmcv)] 6  LOBELIA eP4b+      ? WASHTENAW      Ea;A 42.270872 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Lobelia spicata", "scientificNameAuthorship": "", "genus": "Lobelia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1860-06-18", "habitat": "", "occurrenceRemarks": "\"Blue.\" [one of 2 specimens \"approaching var. hirtella\" (RMcV)]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "A.A. [Ann Arbor]", "decimalLatitude": "42.270872", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}