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": ""}
  S=C+ 1303353     provicia santiago del estero lYP4     U harley h. bartlett    h uruguay  bal8. ex spreng. (U    ?:5d  1943-04-01  euphorbia <08Wf    d  EUPHORBIA BERTEROAA        V BERTEROANA  J Victor W. Steinmann 
{"catalogNumber": "1303353", "order": "", "family": "", "scientificName": "Euphorbia berteroana", "scientificNameAuthorship": "Balb. ex Spreng.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "berteroana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Victor W. Steinmann", "recordedBy": "Harley H. Bartlett", "recordNumber": "", "verbatimEventDate": "1943-04-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Uruguay", "stateProvince": "", "county": "", "municipality": "", "locality": "Provincia Santiago del Estero", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}