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": ""}
    ) w t24n r9e sec 7 mouth of pine river, van ettan lake. potamogeton 5 C         2T, 154 IOSCO qD  MICHIGAN G    5O John V. Freuden5tein & Thomas A. Freudenstein potamogeton natans m St     cY7  in cove, about 3 feet of water.      hAR POTAMOGETONACQEAE l. #>3|1  44.49289  Z,  
{"catalogNumber": "", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton natans", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein & Thomas A. Freudenstein", "recordNumber": "154", "verbatimEventDate": "", "habitat": "In cove, about 3 feet of water.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Iosco", "municipality": "", "locality": "T24N R9E Sec 7 Mouth of Pine River, Van Ettan Lake.", "decimalLatitude": "44.49289", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}