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": ""}
  oeu Potamogetonaceae  MICHIGAN ss]   46.45519 SVS      ` c.) barre hellquist      8j0 1244944   ###Ca "ph 6.1. alkalinity 1.0 ppm"   -86.25885 ky   TJg rchb.       united states CHKw  
{"catalogNumber": "1244944", "order": "", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "Rchb.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Barre Hellquist", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"pH 6.1. alkalinity 1.0 ppm\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.45519", "decimalLongitude": "-86.25885", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}