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": ""}
    c4A4 Howard S. Gentry   1260168  6m     NÃ©e a x     <& Quercus  1941-09-10 Q>H^     (a FAGACEAE  magnoliifolia In /  6575-A y   QUERCUS MAGNOLIIFOLIA m  contact um herbarium + SINALOA ;:Jd8   M fagales
{"catalogNumber": "1260168", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus magnoliifolia", "scientificNameAuthorship": "N\u00c3\u00a9e", "genus": "Quercus", "subgenus": "", "specificEpithet": "magnoliifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "6575-A", "verbatimEventDate": "1941-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}