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": ""}
42.28743 0F      ~%kD! xanthium strumarium  % XANTHIUM         >k Asterales   8 oakwood   L. wF       ASTERACEAE 1918-09-15 ^Tp7    -83.15312 t    
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Xanthium strumarium", "scientificNameAuthorship": "L.", "genus": "Xanthium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1918-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Oakwood", "decimalLatitude": "42.28743", "decimalLongitude": "-83.15312", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}