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": ""}
  7)xW Quercus obtusata  ^a?1 fagaceae      Z  JERZY RZEDOWSKI      yP  1260455  a]Z FAGALES Cornelius H. Muller kY     ud Contact UM Herbarium  obtusata WV4G     ?#Kk 18376 quercus ,jIip   1964-07-21 +,(%    
{"catalogNumber": "1260455", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus obtusata", "scientificNameAuthorship": "", "genus": "Quercus", "subgenus": "", "specificEpithet": "obtusata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Cornelius H. Muller", "recordedBy": "Jerzy Rzedowski", "recordNumber": "18376", "verbatimEventDate": "1964-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}