Using COc1nc(NC=O)nc2c1c(Cl)c(Cl)n2[C@H]1C[C@H](OC(=O)C(C)C)[C@@H](COC(=O)C(C)C)O1 to produce Nc1nc2c(c(Cl)c(Cl)n2[C@H]2C[C@H](O)[C@@H](CO)O2)c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.