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": ""}
  +>I ERAGROSTIS NIGRA  1986-08-07 U     + Poaceae  J. F. DUTHIE v?Y)  uttar pradesh 0u.PS    m Nees 3x Steud.  2,P India  a*;^n eragrostis nigra %C     OO Poales  ( 6153     dhauki valley U    1706804 ;  SAHARANPUR m 
{"catalogNumber": "1706804", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis nigra", "scientificNameAuthorship": "Nees ex Steud.", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. F. Duthie", "recordNumber": "6153", "verbatimEventDate": "1986-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Uttar Pradesh", "county": "Saharanpur", "municipality": "", "locality": "Dhauki Valley", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}