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": ""}
   4 QUERCUS 1260518 |  fagales 5XF       CONTACT UM CHERBARIUM  MR    M7  1938-12-16     &I michoacan  @blT humb. & bonpl.  QUERCUS OBTUSATA >c+:/  go. b. hinton z   FAGACEAE  aJ4U  MEXICO ?       *tLp 12764 
{"catalogNumber": "1260518", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus obtusata", "scientificNameAuthorship": "Humb. & Bonpl.", "genus": "Quercus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Geo. B. Hinton", "recordNumber": "12764", "verbatimEventDate": "1938-12-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}