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": ""}
  (&   f.w. stuewer    ALLEGAN   &9xM_ potamogeton  [also No. 37 on 8-10-37 on second sheet] <K      Swan Creek Wildlife Experiment Station vicinity :CHr    8owQ Alismatales  l&+ MICHIGAN    H 1937-08-10     xzd POTAMOGETON AMPLIFOLIUS   United States %zui  MARSH z     !SIiE 32 
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Potamogeton amplifolius", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.W. Stuewer", "recordNumber": "32", "verbatimEventDate": "1937-08-10", "habitat": "marsh", "occurrenceRemarks": "[also No. 37 on 8-10-37 on second sheet]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "Swan Creek Wildlife Experiment Station vicinity", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}