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": ""}
   Ks0af Michx.         r CROTON MNANTHOGYNUS  T 1543543 EUPHORBIACEAE ]  @=   monanthogynus aMm       t5@1 bluffs along neuces river near barksadale    VyX!M 457    TEXAS -z1 
{"catalogNumber": "1543543", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton monanthogynus", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "monanthogynus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Bluffs along Neuces River near Barksadale", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "457", "maximumElevationInMeters": ""}