Using COC(=O)C(NC(=O)Cc1c(C)cc(C)cc1C)C1CCN(OC)CC1 to produce CON1CCC(C2NC(=O)C(c3c(C)cc(C)cc3C)=C2O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.