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  ^.    Yn. ; 1107739   Jl PARAGUAY   asteraceae ;AF        E. Hassler   )F_ STEVIA      n regione calcarea cursus superioris flumin|s 7  Asterales FPux8   w 1912 B. L. Rob. =( 
{"catalogNumber": "1107739", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "B. L. Rob.", "genus": "Stevia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. Hassler", "recordNumber": "", "verbatimEventDate": "1912", "habitat": "In regione calcarea cursus superioris fluminis", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Paraguay", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}