Using O=C1OC[C@H](Cc2ccccc2)N1C(=O)[C@H]1CN(Cc2ccccc2)C[C@@H]1c1ccc(Cl)c(Cl)c1, CNOC to produce CON(C)C(=O)[C@H]1CN(Cc2ccccc2)C[C@@H]1c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.