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": ""}
railroad tracks )_   MICHIGAN y49   ai ASTERACEAE   f/0 CARL O. GRASSL  Conyza  A|m  3428 ZSUk       45.11667 E   /~=q 1933-07-25  (L.) CRONQUIST S  ci 1253300 Sugar Beet Island City of Menominee hq5  menominee f?Ez    <f  -87.61667     yO0 CANADENSIS 
{"catalogNumber": "1253300", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "3428", "verbatimEventDate": "1933-07-25", "habitat": "Railroad tracks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "Sugar Beet Island City of Menominee", "decimalLatitude": "45.11667", "decimalLongitude": "-87.61667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}