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": ""}
 .6 1921-09-15  S.N. 3<=NQ  (R. BR.) GRISEB. 3 [`1   # m. nazarov  s2LLz latifolia   arctagrostis latifolia n4,t8  NO DATA hR;   ./>r poaceae    B ussr locality bresent but not translated for catalog no:1703430 G;m;b   POALES H     R 1703430  - arctagrostis        
{"catalogNumber": "1703430", "order": "Poales", "family": "Poaceae", "scientificName": "Arctagrostis latifolia", "scientificNameAuthorship": "(R. Br.) Griseb.", "genus": "Arctagrostis", "subgenus": "", "specificEpithet": "latifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. Nazarov", "recordNumber": "s.n.", "verbatimEventDate": "1921-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "USSR", "stateProvince": "no data", "county": "", "municipality": "", "locality": "locality present but not translated for catalog no:1703430", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}