Using Nc1nc(Cl)c2ncn([C@@H]3C=C[C@H](CO)C3)c2n1, COC(=O)O to produce Nc1nc2c(ncn2[C@@H]2C=C[C@H](CO)C2)c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.