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": ""}
 croton YR     , 4km S. of Vicosa, on road to Uba   g?LU IN CORNFIELD, RED CLAY SOIL  B   Richard S. Cowan tree to 20m; flowers pale yellow; few seen ;nmG   %b:  BRAZIL  1958-11-26 R   ~ MINAS GERAIS    ` EUPHORBIACEA3  LqVK MALPIGHIALES SPRENG. NP     1218053  FRu  2151 ^  Howard S. Irwin ]h   7jg floribundus  
{"catalogNumber": "1218053", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Spreng.", "genus": "Croton", "subgenus": "", "specificEpithet": "floribundus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Richard S. Cowan", "recordedBy": "Howard S. Irwin", "recordNumber": "2151", "verbatimEventDate": "1958-11-26", "habitat": "in cornfield, red clay soil", "occurrenceRemarks": "tree to 20m; flowers pale yellow; few seen", "associatedTaxa": "", "country": "Brazil", "stateProvince": "Minas Gerais", "county": "", "municipality": "", "locality": "4km S. of Vicosa, on road to Uba", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}