Using COc1ccc2nc(N[C@H]3CCN(C(=O)C(=O)c4ccc(Cl)cc4)C3)cc(C)c2c1 to produce Cc1cc(N[C@H]2CCN(C(=O)C(=O)c3ccc(Cl)cc3)C2)nc2ccc(O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.