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": ""}
       MNN 1442760  ~4XBV asteraceae    4U champaign dana p. snyder +:Hw    ( 1946-09-10  Y NUTT. EX CASS.  zaP[ CHAMPAIGN. S OF ITY ALONG ILLIN0IS CENTRAL RAILROAD TRACKS. 180 bA    u  EUTHAMIA  united states          +# Asterales  ! i  EUTHAMIA
{"catalogNumber": "1442760", "order": "Asterales", "family": "Asteraceae", "scientificName": "Euthamia", "scientificNameAuthorship": "Nutt. ex Cass.", "genus": "Euthamia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dana P. Snyder", "recordNumber": "180", "verbatimEventDate": "1946-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Champaign", "municipality": "", "locality": "Champaign. S of city along Illinois Central Railroad Tracks.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}