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": ""}
gramineu b  POTAMOGETON #h    1280791 V@   Alismatales wL5     DEPTH OF WATER: 1-6 FT. BOTTOM: MARL, PULPY PEAT Y  MICHIGAN m)O   [AE(] Thumb Lake   L. EJ  1941-8-16 5b   498 +2^  potamogeton gramineus 8`      7S United States   :&6H -84.76422   2#@< charlevoix  45.191851 ; >  
{"catalogNumber": "1280791", "order": "Alismatales", "family": "", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "498", "verbatimEventDate": "1941-08-16", "habitat": "Depth of Water: 1-6 ft. Bottom: marl, pulpy peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "Thumb Lake", "decimalLatitude": "45.191851", "decimalLongitude": "-84.76422", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}