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": ""}
  1543140 Db    E6rn euphorbiaceae MUELL.-ARG. t  1946-10-26 H   CALIFORNIA k/3    los angeles L:   Croton californicus z   P)W[  locallyM abundant on sandy, sunny flat 6390 v|U [   Rc22W louis c. wheeler   DIK  californicus  Malpighiales gI  259 A65&    SAN GABRIEL MOUNTAINTS. SAN GABRIEL CANYON, 0.8 MI UPSTREAM FROM MOUTH AT FIRST BRIDGE. NORTH SID3 T1N R10W SEC. 23 5  UNITED STATES R7Wrp  croton |sk  
{"catalogNumber": "1543140", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton californicus", "scientificNameAuthorship": "Muell.-Arg.", "genus": "Croton", "subgenus": "", "specificEpithet": "californicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis C. Wheeler", "recordNumber": "6390", "verbatimEventDate": "1946-10-26", "habitat": "Locally abundant on sandy, sunny flat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Los Angeles", "municipality": "", "locality": "San Gabriel Mountains. San Gabriel Canyon, 0.8 mi upstream from mouth at first bridge. North side T1N R10W sec. 23", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "259", "maximumElevationInMeters": ""}