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. /  d4nthonia $) ]  1903-07-18 ~&ME   |%Vv5 Lincoln   ^ Poaceae unispicata ?]>        r (thurb.) munro ex macoun    UNITED STATES  C           5gQpy l. m. umbach poales t;   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Thurb.) Munro ex Macoun", "genus": "Danthonia", "subgenus": "", "specificEpithet": "unispicata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. M. Umbach", "recordNumber": "s.n.", "verbatimEventDate": "1903-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lincoln", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}