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": ""}
poales O as        `o 1877-09-19  %Z joeph blake 3028 RK[~   8k;A@ CYPERACEAE  CYPERUS  - 3+     Torr. c    A P3 sZ cyperus denttus    united states `   dentatus Nc4    
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus dentatus", "scientificNameAuthorship": "Torr.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "dentatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph Blake", "recordNumber": "3028", "verbatimEventDate": "1877-09-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}