Using C[O-], COC(=O)c1cccc(F)c1NS(=O)(=O)c1nc2c(Br)ncc(Br)n2n1 to produce COC(=O)c1cccc(F)c1NS(=O)(=O)c1nc2c(OC)ncc(Br)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.