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": ""}
 >+C8J CONYZA 45.11667 F74b%    . 3428     k CARL O. GRASSL  <0 1933-07-25  asterales R<g      Sugar Beet Island City ofMenominee Bd    y ASTERACEAE railroad tracs i$k   united states *&.(W   michigan s  (l.) cr0onqust X>Z?     Conyza canadensis Do)  
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "3428", "verbatimEventDate": "1933-07-25", "habitat": "Railroad tracks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Sugar Beet Island City of Menominee", "decimalLatitude": "45.11667", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}