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": ""}
    $S7M  45.80472 Fabales A  -85.494534 l[n     m s.n.     Medicago   fqHH medicago lupulina   1967-06-20 >aH    DzJ lupulina Charlevoix Y    garden island. Y$D    T  UNITED STATES  D02 Michigan  ND dennis r. king Fabaceae ]u2z  1346746 #D  
{"catalogNumber": "1346746", "order": "Fabales", "family": "Fabaceae", "scientificName": "Medicago lupulina", "scientificNameAuthorship": "", "genus": "Medicago", "subgenus": "", "specificEpithet": "lupulina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dennis R. King", "recordNumber": "s.n.", "verbatimEventDate": "1967-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "Garden Island.", "decimalLatitude": "45.80472", "decimalLongitude": "-85.494534", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}