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": ""}
  w68 Mexico dorstenia MAu u      0  MORACEAE  VERACRUZ  ]_$@  CONTRAJERVA v#       C.C. Berg  L. |iz6  rosales $b,  john h. beaman #    5250 G9   L 1971-11-03  o 1266241    dorstenia contrajerva 4H>*d   &s Vk Contact UM Herbarium
{"catalogNumber": "1266241", "order": "Rosales", "family": "Moraceae", "scientificName": "Dorstenia contrajerva", "scientificNameAuthorship": "L.", "genus": "Dorstenia", "subgenus": "", "specificEpithet": "contrajerva", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.C. Berg", "recordedBy": "John H. Beaman", "recordNumber": "5250", "verbatimEventDate": "1971-11-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}