Using COC(=O)CCC(=O)Nc1ccc(Cl)c(COc2cccc3ccc(C)nc23)c1Cl, CN(C)C=O to produce COC(=O)CCC(=O)N(C)c1ccc(Cl)c(COc2cccc3ccc(C)nc23)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.