Using CC(=O)OC(C)=O, COC(=O)c1sc(-c2ccccc2)cc1N(C(=O)C1CCC(C)CC1)C1CCNCC1 to produce COC(=O)c1sc(-c2ccccc2)cc1N(C(=O)C1CCC(C)CC1)C1CCN(C(C)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.