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": ""}
 cyperaceae _m  carex ~2     I s.n. S. MAMEEV pp^   ; tyumen Poales d  1719108 k2   SIBIRIA OCCIDENTALIS. IN NEMORE PROPE OPPIDUM TJUMEN 2 uU     O obtuta  Y no data RUSSIA <^4~   CAREX OBTUSATA g2   1915-05-21        [W LILJ.   
{"catalogNumber": "1719108", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex obtusata", "scientificNameAuthorship": "Lilj.", "genus": "Carex", "subgenus": "", "specificEpithet": "obtusata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. Mameev", "recordNumber": "s.n.", "verbatimEventDate": "1915-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Russia", "stateProvince": "Tyumen", "county": "no data", "municipality": "", "locality": "Sibiria occidentalis. In nemore prope oppidum Tjumen", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}