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": ""}
 thU Medicago charlevoix UNR   jBvpY 1967-06-20 michigan !B    -85.494534 P_   united states o (2    DENNIIS R. KING p&px)   o lupulina   L. _         S.N.     fabaceyae Zt   7@  Medicago lupulina  8 GARDEN ISLAND.  [9. fabales  1346746  skXW  45.80472 ^  
{"catalogNumber": "1346746", "order": "Fabales", "family": "Fabaceae", "scientificName": "Medicago lupulina", "scientificNameAuthorship": "L.", "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": ""}