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": ""}
  Cecil Billington &U  WARREN WOODS, 2/[!  41.834808 u4<]?  -86.624924 h  united states -M[V  berrien y:TC   %n` 1258352 michigan A-    Mud-flat ^.    @) asterales     62  VAR.   |mwj xanthium  CANADENSE 7 4        (P. MILL.) TORR. & A. GRAY  2cf 
{"catalogNumber": "1258352", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(P. Mill.) Torr. & A. Gray", "genus": "Xanthium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "canadense", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "", "habitat": "Mud-flat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Warren Woods,", "decimalLatitude": "41.834808", "decimalLongitude": "-86.624924", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}