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": ""}
 Kv LOUISIANA UNITED STATES H  MICHX. J   t4 Recently disturbed roadbank of U.S. 84 at railroad overpasswest of La. 125 and U.S. 165; Tullos; Sec, 24, T10N, R1E   Croton k3 #i   1543531 -       1 Croton monanthogynus   monanthogynus 0C   x euphorbiaceae   1990-09-28 )@L  121415  RE    5 LaSalle   
{"catalogNumber": "1543531", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton monanthogynus", "scientificNameAuthorship": "Michx.", "genus": "Croton", "subgenus": "", "specificEpithet": "monanthogynus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "121415", "verbatimEventDate": "1990-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "LaSalle", "municipality": "", "locality": "Recently disturbed roadbank of U.S. 84 at railroad overpass west of La. 125 and U.S. 165; Tullos; Sec, 24, T10N, R1E", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}