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;UNS Quercus aristat2a   b Quercs ARISTATA eT    CORNELIUS H. MULLER XD,)b      :l 1237658  8aw/ Nayarit Rogers McVaugh (Ds    16364    contact um herbarium )Z   1957-08-26 j   FAGALES Hr7   MEXICO B         hook. & arn. fagaceae  %B7 
{"catalogNumber": "1237658", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus aristata", "scientificNameAuthorship": "Hook. & Arn.", "genus": "Quercus", "subgenus": "", "specificEpithet": "aristata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Cornelius H. Muller", "recordedBy": "Rogers McVaugh", "recordNumber": "16364", "verbatimEventDate": "1957-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}