Using CCN=C=NCCCN(C)C, NC(=O)Nc1nc(C(=O)O)cn1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O to produce Nc1nc2c(ncn2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c(=O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.