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": ""}
Hydrocharitaceae U    A(Willd.) Rostk. & W. L. E. Schmidt Alismatales  MU     UNITED STATES B~     UD!  J. Funk  f( ? najas flexilis  MICHIGAN c_e  -85.232197 ?z  DEPTH OF WATER: 1-6' BOTTOM: PEAT      jBWW Big Evans Lake  Najas woU*S    h Mecosta 404 @6!R  1940-08-08 _a)0!  1304467 !.    flexilis i(  
{"catalogNumber": "1304467", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Najas flexilis", "scientificNameAuthorship": "(Willd.) Rostk. & W. L. E. Schmidt", "genus": "Najas", "subgenus": "", "specificEpithet": "flexilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Funk", "recordNumber": "404", "verbatimEventDate": "1940-08-08", "habitat": "Depth of Water: 1-6' Bottom: peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mecosta", "municipality": "", "locality": "Big Evans Lake", "decimalLatitude": "", "decimalLongitude": "-85.232197", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}