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": ""}
1937-07-20 /!qMs    Depth of Water: 1 ft. Bottom: marl V+  najas hm^       1304585 _$f  flexilis 0$ E3     44.676094  oW 0      e-i K ALCONA       f 148 
{"catalogNumber": "1304585", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Najas", "subgenus": "", "specificEpithet": "flexilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "148", "verbatimEventDate": "1937-07-20", "habitat": "Depth of Water: 1 ft. Bottom: marl", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Alcona", "municipality": "", "locality": "", "decimalLatitude": "44.676094", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}