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": ""}
    depth of water: 2 ft. bottom marl &  united states ~ swT  1937-07-20 &R   L 8@f POTAMOGETONACEAE 1281539 2y     +q)- Dumont Lake  allegan u`5k      Alismatles |     ] Potamogeton praelongus  c. hoffman F~Zy   / michigan  wulfen msB  
{"catalogNumber": "1281539", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton praelongus", "scientificNameAuthorship": "Wulfen", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Hoffman", "recordNumber": "", "verbatimEventDate": "1937-07-20", "habitat": "Depth of Water: 2 ft. Bottom: marl", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "Dumont Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}