GEO DataSet ID in the format GDS****. The gene names in the IDENTIFIER field of the DataSet will be mapped to the corresponding GO IDs in all three GO ontologies (C, F, P) as long as such a mapping exists. The organism is the entry in the dataset_sample_organism field of the DataSet.

The gene names in your file should be separated by newlines. They will be mapped to the corresponding GO IDs in all three GO ontologies (C, F, P) as long as such a mapping exists.

Complete organism name, i.e. Homo sapiens, Rattus norvegicus.