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": ""}
    1986-08-23 -    E, 1238565   vA30, fulva Sinaloa y/y   fagaceae CZ4   7@ QUERCUS 62973 H]k S  LIEBM. C    TL DENNIS E. BREED1OVE  QUERCUS FULVA T   rGfn CONTACT UM HERBARIUM     :gl MEXICO    5~e A fagales  
{"catalogNumber": "1238565", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus fulva", "scientificNameAuthorship": "Liebm.", "genus": "Quercus", "subgenus": "", "specificEpithet": "fulva", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dennis E. Breedlove", "recordNumber": "62973", "verbatimEventDate": "1986-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}