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": ""}
SPIRANTHES CERNUA S OU    K 1991-08-07       2@XA6 MICHIGAN    cernua `      s&Y   3441       46.47366  ?Q [flowers abnormally developed.(fwc)] not mapped.      Uc ORCHIDACEAE 
{"catalogNumber": "", "order": "", "family": "Orchidaceae", "scientificName": "Spiranthes cernua", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "cernua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3441", "verbatimEventDate": "1991-08-07", "habitat": "", "occurrenceRemarks": "[Flowers abnormally developed.(FWC)] Not mapped.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.47366", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}