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": ""}
      994 i   milford pond |$`E    united states `MLl     PB 1281393 L. p    POTAMO6ETON      alismatales 4;    h|> 1938-09-04 42.59025 :S  POTAMOGETONACEAE y    nCatans c  
{"catalogNumber": "1281393", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "994", "verbatimEventDate": "1938-09-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Milford Pond", "decimalLatitude": "42.59025", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}