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": ""}
contact um herbarium  Z3   oB) Dioscoreales 1936-06 2@X    Cyrus L. Lundell GLdf    g DIOSCOREA       convolvlacea  dO     ] DIOSCOREACEAE  ?BzP Cham. & Schltdl. belize ,-$>~         S 6169   DP;  1145591
{"catalogNumber": "1145591", "order": "Dioscoreales", "family": "Dioscoreaceae", "scientificName": "", "scientificNameAuthorship": "Cham. & Schltdl.", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "convolvulacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus L. Lundell", "recordNumber": "6169", "verbatimEventDate": "1936-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Belize", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}