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": ""}
 &Hx DENNIS E. BREEDLOVE   < Es MEXICO   Convolvulaceae %    solanales (h>w     20404 khBo   L ; IPOMOEA CONTACT UM HERBARIUM )H     vs l.o. williams  ^X 1298791    pb AURANTIACA   GORDON D. MCPHERSON C0^yF   v CHIAPAS  V 1971-10-11 
{"catalogNumber": "1298791", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "L.O. Williams", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "aurantiaca", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "Dennis E. Breedlove", "recordNumber": "20404", "verbatimEventDate": "1971-10-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chiapas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}