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": ""}
   H. G. MACMILLAN, J. L. STEVENS u;z       1 M ILE SOUTHWEST OF HAILAR ]eUWY   s 3    (L.) ROTH j       O- NORTHEAST CHINA  calamagrostis epigejows :TO=S    poaceae N z  Inner Mongolia g  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Calamagrostis epigejos", "scientificNameAuthorship": "(L.) Roth", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. G. MacMillan, J. L. Stevens", "recordNumber": "3", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Northeast China", "county": "Inner Mongolia", "municipality": "", "locality": "1 mile southwest of Hailar", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}