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": ""}
             l&Z 1992-09-15  "rays yellow, pedicle and phyllary hairs black. assoc.: quercus rubra, populus grandidenta7a, pterid|um 4quilinum, comptonia peregrina" !-b      1117 l5+ i    Y 6 asteraceae   44.72067 Bmr     -(:;n 1254961
{"catalogNumber": "1254961", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1117", "verbatimEventDate": "1992-09-15", "habitat": "", "occurrenceRemarks": "\"Rays yellow, pedicle and phyllary hairs black. Assoc.: Quercus rubra, Populus grandidentata, Pteridium aquilinum, Comptonia peregrina\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.72067", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}