Using CC(C)(C)OC(=O)N[C@@H]1CCN(c2ccc(N3CCc4cc(-c5ccc(Cl)cc5)sc4C3=O)cn2)C1 to produce CN[C@@H]1CCN(c2ccc(N3CCc4cc(-c5ccc(Cl)cc5)sc4C3=O)cn2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.