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": ""}
  eragrostis nigra 9$=;   GS$@ 1157 ERAGROSTIS 4s  h   [F& 2 Tehri Garhwal 1948-09-20 IE   # 2438 nees ex steud. 72.8    nigra  O!p    AQN6R POALES   Uttarakhand  f     E< poaceae  _Pi GANGI, TEHRI STATE   THAKUR RUP CHAND YPqD    
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis nigra", "scientificNameAuthorship": "Nees ex Steud.", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "1157", "verbatimEventDate": "1948-09-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Uttarakhand", "county": "Tehri Garhwal", "municipality": "", "locality": "Gangi, Tehri State", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2438", "maximumElevationInMeters": ""}