Using COc1ccc(Br)c(CN(Cc2ccc(C(F)(F)F)cc2)C(=O)OC(C)(C)C)c1, C=CC(=O)OC to produce COC(=O)C=Cc1ccc(OC)cc1CN(Cc1ccc(C(F)(F)F)cc1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.