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": ""}
 I j? 1939-07-23  z L. 1431949 bt!;S  8333 nuV        /E f san9 nicholas island, tule canyon VENTURA )t    G. Wallace /@  m.b. dunkle i    . Apiales  r4z united states        M4CULATUMZGR  CONIUM MACULATUM <Ed9  Springy bank; plant up to 2m tall w 
{"catalogNumber": "1431949", "order": "Apiales", "family": "", "scientificName": "Conium maculatum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "maculatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G. Wallace", "recordedBy": "M.B. Dunkle", "recordNumber": "8333", "verbatimEventDate": "1939-07-23", "habitat": "Springy bank; plant up to 2m tall", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Ventura", "municipality": "", "locality": "San Nicholas Island, Tule Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}