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. F AF   sonchus <I    SONCHUS OLERACEUS  b+        1994-10-04     f Don Henson  3938 $l,t   P8 Around shrubs and edges of court house lawn.  U5w7Y asteraceae    -86.24625  d*      C Michigan  asterales ?t 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Sonchus oleraceus", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "3938", "verbatimEventDate": "1994-10-04", "habitat": "Around shrubs and edges of court house lawn.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.24625", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}