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": ""}
 45.191851 KAMb   praelongus N  thumb lake c=y07      -84.76422     potamogeton =&w;_           mi United States   HZ 1941-08-16  K64 n 496   5B 2 depth of water: 6(3-8ft.) bottom: marl, pulpy peat  alismatales WA 
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "praelongus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "496", "verbatimEventDate": "1941-08-16", "habitat": "Depth of Water: 6(3-8ft.) Bottom: marl, pulpy peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Thumb Lake", "decimalLatitude": "45.191851", "decimalLongitude": "-84.76422", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}