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": ""}
 b V_w fagaceae -83.70726MSv   c michigan      e1  UNITED STATES    ] 1969-05-15  NIXON RD., 4NN ARBOR, Gg   JN3 42.3175    fDw lam. velutina :~   Quercus velutina  $r 4      1188500 @HS.  querc[us 9   
{"catalogNumber": "1188500", "order": "", "family": "Fagaceae", "scientificName": "Quercus velutina", "scientificNameAuthorship": "Lam.", "genus": "Quercus", "subgenus": "", "specificEpithet": "velutina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1969-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Nixon Rd., Ann Arbor,", "decimalLatitude": "42.3175", "decimalLongitude": "-83.70726", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}