Using CC(C)(C)OC(=O)NCc1cc(C(=O)O)cc(Cl)c1F, COC1CNC1 to produce COC1CN(C(=O)c2cc(Cl)c(F)c(CNC(=O)OC(C)(C)C)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.