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": ""}
   rYDf Contact UM Herbarium   /A dioscorea    w N pilosiuscula mexico nK 1n  DIOSCOREA PILOSIUSCULAEbysk  1881-06-01 !4u)   _5~  Dioscoreaceae    ^ a 1145766    rDu J. Eggers  Z 60       B  Bertero ex Spreng.    /jpM6 dioscoreales
{"catalogNumber": "1145766", "order": "Dioscoreales", "family": "Dioscoreaceae", "scientificName": "Dioscorea pilosiuscula", "scientificNameAuthorship": "Bertero ex Spreng.", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "pilosiuscula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Eggers", "recordNumber": "60", "verbatimEventDate": "1881-06-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}