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": ""}
mexico @yrU   F  dorstenia drakena 1960-10-8 X5+      36 DORSTENIA       lw=q CONTACT UM HERBARIUM  20378 1   D  drakena  6 4  vell.  c.c. berg TR_   1266374 3qf;       9+> =Rosales  moraceae ) WP   
{"catalogNumber": "1266374", "order": "Rosales", "family": "Moraceae", "scientificName": "Dorstenia drakena", "scientificNameAuthorship": "Vell.", "genus": "Dorstenia", "subgenus": "", "specificEpithet": "drakena", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.C. Berg", "recordedBy": "", "recordNumber": "20378", "verbatimEventDate": "1960-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}