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": ""}
CONTACT UM HERBARIUM 7K5    28 J. A. MACHUCA NUÃ±EZ  I5a QUERCUS   MEXICO  k [t     uw6+ crassipes   RV[ fagales   M J 1987-05-02 5748 c      Humb. & Bonpl. [K8_   1235267 8P]!=       
{"catalogNumber": "1235267", "order": "Fagales", "family": "", "scientificName": "", "scientificNameAuthorship": "Humb. & Bonpl.", "genus": "Quercus", "subgenus": "", "specificEpithet": "crassipes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. A. Machuca Nu\u00c3\u00b1ez", "recordNumber": "5748", "verbatimEventDate": "1987-05-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}