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": ""}
 3836 N g      Dx 45.00809 songhus  rt M     MICHIGAN `#6po    Large weed (25 to 30 plants here) on gravel verge of M-32 y   ASTERACEAE  VmJ       5|8[ arvensis   rP?@N -84.04285 1257837 e    h<m3= United States    m L.
{"catalogNumber": "1257837", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3836", "verbatimEventDate": "", "habitat": "Large weed (25 to 30 plants here) on gravel verge of M-32", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.00809", "decimalLongitude": "-84.04285", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}