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": ""}
     uCig$ 3066 cornelius h. muller i U^     1939-08-30  <=     <9 invaginata   + COAHUILA  quercus Ufe   1238906 J     CONTACT UM HERBARIUM ZadGx    a|O4 quercus invaginata   3^1 trel.   $/+q FAGALES
{"catalogNumber": "1238906", "order": "Fagales", "family": "", "scientificName": "Quercus invaginata", "scientificNameAuthorship": "Trel.", "genus": "Quercus", "subgenus": "", "specificEpithet": "invaginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cornelius H. Muller", "recordNumber": "3066", "verbatimEventDate": "1939-08-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Coahuila", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}