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": ""}
iron C3f  381 C     UCb UNITED STATES potamogeton gramineus t`        x]p POTAMOGETON    H. Kilpela 9T]+.   1938-08-26 -o    i0]: 1280759  & GRAMINmEUS  Depth of Water: 2-4 ft. Bottom: sand, gravel A*   |vdKc L. -88.76446 Um  potamogetonaceae a:V   
{"catalogNumber": "1280759", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Kilpela", "recordNumber": "381", "verbatimEventDate": "1938-08-26", "habitat": "Depth of Water: 2-4 ft. Bottom: sand, gravel", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iron", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-88.76446", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}