Using CI, Cc1cn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c2nc(N)nc(Cl)c12 to produce CO[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1n1cc(C)c2c(Cl)nc(N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.