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": ""}
 1994-06-18 256?[   n:yY st. francois state park, ca 0.5 mi se of rt 67, bnne terre 7.5' quad.   v5 poales   1422.5 ?d                T#/ TRS: T38N R5E sec 19 SE1/4 of the NW1/4 of the SE1/4  paul m. mckenzie sCe!Q    m4d MI5SOURI 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul M. McKenzie", "recordNumber": "1422.5", "verbatimEventDate": "1994-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "St. Francois State Park, ca 0.5 mi SE of Rt 67, Bonne Terre 7.5' Quad.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T38N R5E sec 19 SE1/4 of the NW1/4 of the SE1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}