Using CC(=O)OC(C)=O, COc1ccc(N2C(=O)N(c3ccccc3)c3nc(Nc4ccccc4)ncc3C2C)cc1 to produce COc1ccc(N2C(=O)N(c3ccccc3)c3nc(N(C(C)=O)c4ccccc4)ncc3C2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.