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": ""}
 1937-09-02 !  197 Af   -85.761174 9    jV w.c. beckman  Michigan Dal>D   zT| [P. PUSILLUS VAR. TENUISSIMUS (RRH73)] potamogetonaceae L  whitefish lake k$9  1280206 SZT    4/.*  46.174751 Fieber o@    eO potamogeton berchtoldii    UNITED STATES HYr)    dep7h of water: 1-3 ft bottm: fibrous muck _   #G alismatales  t6c Mackinac  BERCHTOLDII  J?.    + potamogeton
{"catalogNumber": "1280206", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton berchtoldii", "scientificNameAuthorship": "Fieber", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "berchtoldii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.C. Beckman", "recordNumber": "197", "verbatimEventDate": "1937-09-02", "habitat": "Depth of Water: 1-3 ft Bottom: fibrous muck", "occurrenceRemarks": "[P. pusillus var. tenuissimus (RRH73)]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Whitefish Lake", "decimalLatitude": "46.174751", "decimalLongitude": "-85.761174", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}