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": ""}
 Exw 1894-06-18  PMICHIGAN Ann Arbor, @G   R|_I united states  42.270872 t8(w  -83.726329 6V +     Z CORNUS FOEMINA SUBSP. RACEMOSA subsp. 4% 6     QX8. (LAM.) J.S. WILSON s.n. O6(u(    JAMES S. WILSON k  washtenaw a    foemin a  p   _h*,b a.j. pieters  ?j.U# cornus cornaceae     U~M- Cornales racemosa  bT@    4 1477204 
{"catalogNumber": "1477204", "order": "Cornales", "family": "Cornaceae", "scientificName": "Cornus foemina subsp. racemosa", "scientificNameAuthorship": "(Lam.) J.S. Wilson", "genus": "Cornus", "subgenus": "", "specificEpithet": "foemina", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "racemosa", "identifiedBy": "James S. Wilson", "recordedBy": "A.J. Pieters", "recordNumber": "s.n.", "verbatimEventDate": "1894-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor,", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}