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": ""}
   Raf. K%r  1959-09-15 S;       united states R    xN1 ALISMATALES  K6$v  -86.315327   ? 1280499  c7-1Michigan  IH "stipules with m argins connae when young"    ^ POTAMOGETON    >Ay 6 44.21302 9229  t   
{"catalogNumber": "1280499", "order": "Alismatales", "family": "", "scientificName": "", "scientificNameAuthorship": "Raf.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9229", "verbatimEventDate": "1959-09-15", "habitat": "", "occurrenceRemarks": "\"Stipules with margins connate when young\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.21302", "decimalLongitude": "-86.315327", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}