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 ~w=  1893-07-02 $h7      A illinois          (LEDEB.) SCHULT. h ` V  mcrantha LR~   Z:-$: poales   x G UNITED STATES   ND koeleria  SCW S.N.   KOELERIA MACRANTHA bh@Z4     wuBo Chicago
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Koeleria macrantha", "scientificNameAuthorship": "(Ledeb.) Schult.", "genus": "Koeleria", "subgenus": "", "specificEpithet": "macrantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1893-07-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "Chicago", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}