Using C[C@@H](OS(C)(=O)=O)C(N)=O, CC(C)n1ncnc1-c1cn2c(n1)-c1ccc(O)cc1OCC2 to produce CC(C)n1ncnc1-c1cn2c(n1)-c1ccc(O[C@@H](C)C(N)=O)cc1OCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.