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": ""}
 Eagle Pass- Del Rio N    1931-08-26 aj +  Texas 7t    United States Js,E    JJ@D 1543199    E|  1euphorbiaceae   ?  maverick    ]%4L PAULINE HOGUND    < Mi Croton dioicus  Km$] malpighiales   a 8 & dioicus      
{"catalogNumber": "1543199", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton dioicus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "dioicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Pauline Hoglund", "recordNumber": "", "verbatimEventDate": "1931-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Maverick", "municipality": "", "locality": "Eagle Pass- Del Rio", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}