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": ""}
    7 ANTON A. REZNICEK LEON A. SCHADDELEE psh   UNITED STATES a$    POTAMOGETON g5   ~  michigan   local. 45j$     U BICUPULATUS    ]^AY  Potamogetonaceae  1482991 8 #l      I fernald    &B ALLEGAN POTAMOGETON  BICUPULATUS +t* 
{"catalogNumber": "1482991", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton bicupulatus", "scientificNameAuthorship": "Fernald", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "bicupulatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Leon A. Schaddelee", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Local.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}