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": ""}
 Xj 44.498305  8903 s+@  Rogers McVaugh )    nU ROSCOMMON    J symphyotrichum laeve Upland oak-maple woods abundant. ~DB    lk $ ASTERACEAE    7x # michigan   2 UNITED STATES Symphyotrichum `yq-   b 4sterales  ! LAEVE  2| P "Rays pale lavender; lvs. pale beneath"   (L.) Ã. LÃ¶VE & D. LÃ¶VE yP  1947-09-06 eX    B3SqV 1250839 
{"catalogNumber": "1250839", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum laeve", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve & D. L\u00c3\u00b6ve", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "laeve", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "8903", "verbatimEventDate": "1947-09-06", "habitat": "Upland oak-maple woods abundant.", "occurrenceRemarks": "\"Rays pale lavender; lvs. pale beneath\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Roscommon", "municipality": "", "locality": "", "decimalLatitude": "44.498305", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}