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": ""}
   Potamogeton j    Sc.   oTccasional, quiet water  N 46.565525     <Eb B POTAMOGETONACEAE  1964-06-27 eh9             - Fernald    j6  chippewa  %ad 1281937 potamogeton zosteriformis y    + ZOSTERIFORMIS 11529 W 
{"catalogNumber": "1281937", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton zosteriformis", "scientificNameAuthorship": "Fernald", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "zosteriformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "11529", "verbatimEventDate": "1964-06-27", "habitat": "occasional, quiet water", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Chippewa", "municipality": "", "locality": "", "decimalLatitude": "46.565525", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}