Using COC(=O)c1cc2nc3n(c2cc1S(C)(=O)=O)CCN(C(=O)OC(C)(C)C)[C@@H]3C(C)C to produce CC(C)[C@@H]1c2nc3cc(CO)c(S(C)(=O)=O)cc3n2CCN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.