Using CN(C)C=O, COc1ncc(CN(C(=O)OC(C)(C)C)c2ccc(Br)c(F)n2)cc1F to produce COc1ncc(CN(C(=O)OC(C)(C)C)c2ccc(C=O)c(F)n2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.