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": ""}
Chester M. Rowell p     1955-06-27 LJ    .9ep Frequent  D 5 miles east of canadian, bottom lands of the canadian river.  v`n HEMPHILL  h _n- open meadows    e>=g poaceae    jy Poales   & agrosti Roth H     UNITED STTES ]~   DbU 4200   AGROSTIS G IGANTEA   x   Texas YJEK 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis gigantea", "scientificNameAuthorship": "Roth", "genus": "Agrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Chester M. Rowell", "recordNumber": "4200", "verbatimEventDate": "1955-06-27", "habitat": "Open meadows", "occurrenceRemarks": "Frequent", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Hemphill", "municipality": "", "locality": "5 miles east of Canadian, bottom lands of the Canadian River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}