Using COC(=O)c1cnc(N2CC[C@H](NC(=O)c3[nH]c(C)c(Cl)c3Cl)[C@H](OC)C2)s1 to produce CO[C@@H]1CN(c2ncc(C(=O)O)s2)CC[C@@H]1NC(=O)c1[nH]c(C)c(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.