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": ""}
 !y  dioicus   o_(s PLANTS PERENIAL, DISECIOUS, BUSHY, ABOUT 3 DM. TALL       s Euphorbiaceae       + CROTON DIOICUS  L(&?^ 1543216   TEXAS (K F  CROTON #     1 UNITED STATES    3 1/2 miles northwest of monahans 6_FE 
{"catalogNumber": "1543216", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton dioicus", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "dioicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Plants perennial, disecious, bushy, about 3 dm. tall", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "3 1/2 miles northwest of Monahans", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}