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": ""}
       3~  contact um herbarium  3  convolvulaceae robert merill king   y>   SOLANALES gS;E  Operculina 5@F   < 1300958 oaxaca 2   OPERCULINA PINNATIFIDA [xya   pinnatifida  !(@  (kunth) o'donell /g2  1958-06-30 DJ   Gordon D. McPherson pUb9      $Yy 255   
{"catalogNumber": "1300958", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Operculina pinnatifida", "scientificNameAuthorship": "(Kunth) O'Donell", "genus": "Operculina", "subgenus": "", "specificEpithet": "pinnatifida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "Robert Merill King", "recordNumber": "255", "verbatimEventDate": "1958-06-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}