Using CCOC(C)=O, CCOC(=O)CNC(=O)Nc1ccc2c(c1)C(=C(C)c1ccc[nH]1)C(=O)N2 to produce CC(=C1C(=O)Nc2ccc(N3CC(=O)NC3=O)cc21)c1ccc[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.