Using COc1ccc(N2C[C@@H]3C[C@H]2CO3)cc1NC(N)=S to produce COc1ccc(N2C[C@@H]3C[C@H]2CO3)c2sc(N)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.