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": ""}
  7sK; 215  AMERICANA -V    ti UNITED STATES -83.33333 cw$48      k Van Ettan Lake T24N, R9E  Q5r 44.46667 vallisneria LlHx  DEPTH OF WATER: 1 FT. BOTTOM: SAND X    s! f% Hydrocharitaceae  michigan : Y!   3v   MICHX.    alismatales Ia2     E.L. CHEATUM n]C   IOSCO bW 
{"catalogNumber": "", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Vallisneria", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.L. Cheatum", "recordNumber": "215", "verbatimEventDate": "", "habitat": "Depth of Water: 1 ft. Bottom: sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iosco", "municipality": "", "locality": "Van Ettan Lake T24N, R9E", "decimalLatitude": "44.46667", "decimalLongitude": "-83.33333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}