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": ""}
20 CH  47.465457 ;S$+         1280810   FANNIE HOOE LAKE  B538  DEPTH OF WATER: 8-10 FT. BOTTOM: MUCK BJJ-E   michigan [b           wO alismatales POTAMOGETONACEAE S!  -87.862096 D#q   aQ> l. POTAMOGETON GRAMINEUS 5    WS982 1938-N08-06 United States >s 
{"catalogNumber": "1280810", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "20", "verbatimEventDate": "1938-08-06", "habitat": "Depth of Water: 8-10 ft. Bottom: muck", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Fannie Hooe Lake", "decimalLatitude": "47.465457", "decimalLongitude": "-87.862096", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}