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": ""}
  ^- geo. b. hinton  ttd 1939-10-21     mexico s   fWr7b Cucurbitaceae         Contact UM Herbarium  l?D]  Guerrero :zk/w     uK 14694  CUCURBITALES j+  ECHINOP3PON HORRIDUS fNT  horridus Nn^ ~  
{"catalogNumber": "", "order": "Cucurbitales", "family": "Cucurbitaceae", "scientificName": "Echinopepon horridus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "horridus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Geo. B. Hinton", "recordNumber": "14694", "verbatimEventDate": "1939-10-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}