Using NCCNC(=O)c1nc(Cl)c(N)nc1N, c1cc(OCC2CO2)c2cc[nH]c2c1 to produce Nc1nc(N)c(C(=O)NCCNCC(O)COc2cccc3[nH]ccc23)nc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.