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": ""}
 NLc CROOKED RIVER AT ALANSN     MICHIGAN     ALISMATALES C  (willd.) rostk. & w. l. e. schmidt n    m~ flexilis  najas flex!ilis dD$   6 1933-08-03        Vt+E NAJAS    -84.768581 $@kk  united states K:  
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Najas flexilis", "scientificNameAuthorship": "(Willd.) Rostk. & W. L. E. Schmidt", "genus": "Najas", "subgenus": "", "specificEpithet": "flexilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1933-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Crooked River at Alanson", "decimalLatitude": "", "decimalLongitude": "-84.78581", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}