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": ""}
jacea a  l.  C  1252573 ,; we   1989-09-03 YJ      2992 tbs  Centaurea jacea 8]];:   UNITED STATES wi   CENTAUREA Xz+t        WL1 -89.80854 [perhaps backcross with C. x pratensis] *#byC   %]^ 46.42141    ASTERACEAE   #V 
{"catalogNumber": "1252573", "order": "", "family": "Asteraceae", "scientificName": "Centaurea jacea", "scientificNameAuthorship": "L.", "genus": "Centaurea", "subgenus": "", "specificEpithet": "jacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2992", "verbatimEventDate": "1989-09-03", "habitat": "", "occurrenceRemarks": "[perhaps backcross with C. x pratensis]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.42141", "decimalLongitude": "-89.80854", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}