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": ""}
 1939-08-17 B   c< POACEAE    s.n. ;0  CHASMANTHIUM FJ         POALES ?fR     y plantae exsiccatae grayanae [anonymous, pl. exs. grayan.], 1 - 1500 or more, anonymous, exs #: 908  hy-^ 1409217   >?H United S7ates  Virginia sl(   O *` Lyman B. Smith (l.) yates ZMG  laxum X/ 
{"catalogNumber": "1409217", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Yates", "genus": "Chasmanthium", "subgenus": "", "specificEpithet": "laxum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lyman B. Smith", "recordNumber": "s.n.", "verbatimEventDate": "1939-08-17", "habitat": "", "occurrenceRemarks": "Plantae exsiccatae Grayanae [Anonymous, Pl. Exs. Grayan.], 1 - 1500 or more, Anonymous, exs #: 908", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}