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": ""}
canadensis 4  conyza canadensis Q  (L.) CRONQUIST l   ,sDO6 -86.02938    newaygo q   u9 russ garlitz   Gqrc 1994-08-14     W/cph michigan    I 43.60469      united states      >`15  1253343 
{"catalogNumber": "1253343", "order": "", "family": "", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Russ Garlitz", "recordNumber": "", "verbatimEventDate": "1994-08-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Newaygo", "municipality": "", "locality": "", "decimalLatitude": "43.60469", "decimalLongitude": "-86.02938", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}