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": ""}
   eN 4b potamogetsonaceae   potamogeton 5    CB 14296   c; EDWARD G. VOSS   v7S michigan  ! KALKASKA  gramineus  5   common in ca. 1 ft. water :?      8 44.80103    POTAMOGETON GRAMINEUS p    ^ l. -84.89398 j&?mn  
{"catalogNumber": "", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "14296", "verbatimEventDate": "", "habitat": "common in ca. 1 ft. water", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Kalkaska", "municipality": "", "locality": "", "decimalLatitude": "44.80103", "decimalLongitude": "-84.89398", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}