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": ""}
 oaxacensis p     ( &(s 1840  &c U DIOSCOREA  H. GALEOTTI m    Dioscoreales p&tt    6@ Contact UM Herbarium  DIOSCOREA OAXACENSIS M    uh~s 1145748   Kmf Uline      Mexico     
{"catalogNumber": "1145748", "order": "Dioscoreales", "family": "", "scientificName": "Dioscorea oaxacensis", "scientificNameAuthorship": "Uline", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "oaxacensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Galeotti", "recordNumber": "", "verbatimEventDate": "1840", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}