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": ""}
Quercus ?         6N k 1987-05-23  ,~ manuel gonzã¡lez castellano    DURANGO p    vz Trel. Fagaceae ?/IX  QUERCUS EDUARDI _<6ui     m 2216  7#i Mexi co   GCTW &1235428  2b^,  EDUARDI fagales 4   contact um herbarium kxy  
{"catalogNumber": "1235428", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus eduardi", "scientificNameAuthorship": "Trel.", "genus": "Quercus", "subgenus": "", "specificEpithet": "eduardi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Manuel Gonz\u00c3\u00a1lez Castellano", "recordNumber": "2216", "verbatimEventDate": "1987-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Durango", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}