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": ""}
147 l   `A4 durand  nymphaeales ^H +D  Nymphaeaceae       MRT w.c. beckman  Six Mile Lake. aSta!. No. 1.      9% )J nuphavr variegata  1937-08-20 [O  Houghton g_FP   fX-7 depth of water 2 ft. type of bottom muck. variegata To/    ix united states  Michigan ,0       ) mo nupthar  
{"catalogNumber": "", "order": "Nymphaeales", "family": "Nymphaeaceae", "scientificName": "Nuphar variegata", "scientificNameAuthorship": "Durand", "genus": "Nuphar", "subgenus": "", "specificEpithet": "variegata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.C. Beckman", "recordNumber": "147", "verbatimEventDate": "1937-08-20", "habitat": "Depth of water 2 ft. Type of bottom muck.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Six Mile Lake. Sta. No. 1.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}