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": ""}
s.n. DFR+~   lake forest   o-F    k Poaceae  nD @ ANTHOXANTHUM       R.A. Harper 5   )[sY Lake  Cu4s: UNITED STATES      FgyoU (SCHRANK) Y. SCHOUTEN & VELDKAMP  W*Fq 1918-05-28 poales zl*.A      )C6 Anthoxanthum hirtum 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Anthoxanthum hirtum", "scientificNameAuthorship": "(Schrank) Y. Schouten & Veldkamp", "genus": "Anthoxanthum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.A. Harper", "recordNumber": "s.n.", "verbatimEventDate": "1918-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lake", "municipality": "", "locality": "Lake Forest", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}