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": ""}
 o DRUMMOND ISLAND T41N R7E SEC 16-17  -83.66667 B  united states  v  potamogeton gramineus As   POTAMOGETON vf[!        49< 46 GRAMINEUS i7  Common in wet areas of shore of Dickenson Lake (S end).  ]   1984-07-10 ~^Q3   ALISMATALES 3q   michigan U4a   bd JOHN V. FREUDENSTEIN 1353 vZm   K 1280821  Chippewa O#rS%   jt90 L.
{"catalogNumber": "1280821", "order": "Alismatales", "family": "", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "1353", "verbatimEventDate": "1984-07-10", "habitat": "Common in wet areas of shore of Dickenson Lake (S end).", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Chippewa", "municipality": "", "locality": "Drummond Island T41N R7E Sec 16-17", "decimalLatitude": "46", "decimalLongitude": "-83.66667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}