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": ""}
   regel 7        M$-e Betula pumila var. glandulifera   Betulaceae 5Mgw)   C/ 45.551587    Nj MICHIGAN  1931-07-29 Y f    ROAD THROUGH CEDAR SWAMP. R,mb@     4863 - QL    -84.805565 g/d 
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Betula pumila var. glandulifera", "scientificNameAuthorship": "Regel", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4863", "verbatimEventDate": "1931-07-29", "habitat": "Road through cedar swamp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.551587", "decimalLongitude": "-84.805565", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}