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": ""}
  XtR  CONTACT UM HERBARIUM    IPOMOEA MICROSEPALA a3?       Howard S. Gentry eeY*  1941-02-12 uORf   SOLANALES J    Ipomoea uYB  5561 $c   ( a. mcdonald       Q  BENTH.   !O4 Sinal0a 
{"catalogNumber": "", "order": "Solanales", "family": "", "scientificName": "Ipomoea microsepala", "scientificNameAuthorship": "Benth.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. McDonald", "recordedBy": "Howard S. Gentry", "recordNumber": "5561", "verbatimEventDate": "1941-02-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}