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": ""}
        + b= Sandy lake bottom    $ NYMPHAEACEAE   NUPHAR VARIEGATA Kp -#   W. C. BECKMAN hd     1302134 =      L UGf 46"53'N. LAT, 88"50'W LONG    z2a Gerald Lake Nymphaeales `N 9 
{"catalogNumber": "1302134", "order": "Nymphaeales", "family": "Nymphaeaceae", "scientificName": "Nuphar variegata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. C. Beckman", "recordNumber": "", "verbatimEventDate": "", "habitat": "Sandy lake bottom", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Gerald Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "46\"53'N. Lat, 88\"50'W Long", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}