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": ""}
   ww[ united states      poaceae ZTG23  689 sKs     -85.51552 &O    QJs 1939-08-10    [&5x MINOR  ne of vicksburg, grand trunk railroad SCQP!    c: Eragrostis minor   POALES ^?  f CLARENCE R. HANES 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis minor", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "minor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Clarence R. Hanes", "recordNumber": "689", "verbatimEventDate": "1939-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "NE of Vicksburg, Grand Trunk Railroad", "decimalLatitude": "", "decimalLongitude": "-85.51552", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}