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": ""}
TEXAS      4l) K Bluffs along Neuces R|ver near Barksadale  croton [~Z   aP CROTON MONANTHOGYNUS united states 6    %E MONANTHOGYNUS  EUPHORBIACEAE -r      1940-09-12 -m&l   9929   FIx      Rq `@ 457  ?w forres7 shreve  1543543    Malpigiales xYTYc    V,.P EDWARDS
{"catalogNumber": "1543543", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton monanthogynus", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "monanthogynus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Forrest Shreve", "recordNumber": "9929", "verbatimEventDate": "1940-09-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Edwards", "municipality": "", "locality": "Bluffs along Neuces River near Barksadale", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "457", "maximumElevationInMeters": ""}