Using COCCOC1=NC(N)(N)C2=NC=NC2=N1, c1ccc(OCC2CO2)cc1 to produce COCCOc1nc(N)c2ncn(CC(O)COc3ccccc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.