Using CC(C)(C)OC(=O)N[C@H]1CC[C@H](n2cc(Nc3c(C(=O)C4CC4)cnc4ccc(-c5cc(Cl)c(O)c(Cl)c5)cc34)cn2)CC1 to produce N[C@H]1CC[C@H](n2cc(Nc3c(C(=O)C4CC4)cnc4ccc(-c5cc(Cl)c(O)c(Cl)c5)cc34)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.