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": ""}
 -QC quercus  8140 (   Chihuahua Z    E T:OUMEYI   cornelius h. muller 1V+         gV*%B Fagales   <5  1948-04-26   `; mexico      )S5  Quercus toumeyi   V)cG HOWARD S. GENTRY
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "Quercus toumeyi", "scientificNameAuthorship": "", "genus": "Quercus", "subgenus": "", "specificEpithet": "toumeyi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Cornelius H. Muller", "recordedBy": "Howard S. Gentry", "recordNumber": "8140", "verbatimEventDate": "1948-04-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}