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": ""}
 cornelius h. muller [N       1238549 _   ^E| 17269   m~tB contact um herbarium Fagales Hn-D   C.H.MULLER ^   IIH  locculenta     w5 FAGACEAE     /A; mexico Quercus flocculenta Ar   oX & NUEVO LEON 1965-09-15 <   F C QUERCUS
{"catalogNumber": "1238549", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus flocculenta", "scientificNameAuthorship": "C.H.Muller", "genus": "Quercus", "subgenus": "", "specificEpithet": "flocculenta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cornelius H. Muller", "recordNumber": "17269", "verbatimEventDate": "1965-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}