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": ""}
    Poaceae 4L C     38Â°07'30''N 90Â°40'30''W l/su  1991-08-25 w.:v#   (l.) p. beauv. +4     ].o SETARIA  United States  ,Q%_    p2~9 Peter H. Raven 1423896 >H        ( _<  Jefferson  Ug Nv SETARIA VIRIDIS  Yk 27923
{"catalogNumber": "1423896", "order": "", "family": "Poaceae", "scientificName": "Setaria viridis", "scientificNameAuthorship": "(L.) P. Beauv.", "genus": "Setaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter H. Raven", "recordNumber": "27923", "verbatimEventDate": "1991-08-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Jefferson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "38\u00c2\u00b007'30''N 90\u00c2\u00b040'30''W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}