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 7If!    1704774 6&x    Y near Kushan Monastery   kdM&, THUNB.     b )< 1926-12-23  Cenchrus purpurascens  kGJ|   G9Y6` POALES purpurascens iWQ          b/^e tang siu ging, f. p. metcalf   
{"catalogNumber": "1704774", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus purpurascens", "scientificNameAuthorship": "Thunb.", "genus": "", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Tang Siu Ging, F. P. Metcalf", "recordNumber": "", "verbatimEventDate": "1926-12-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "near Kushan Monastery", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}