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": ""}
  sorghum       , 4 W n+o data POACEAE K6j       (t3 Sorghum nitidum     1940-09 fV2ib         3w, on dry clay slope 1711040 :   I y. w. taam 
{"catalogNumber": "1711040", "order": "", "family": "Poaceae", "scientificName": "Sorghum nitidum", "scientificNameAuthorship": "", "genus": "Sorghum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Y. W. Taam", "recordNumber": "", "verbatimEventDate": "1940-09", "habitat": "on dry clay slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}