Using CCOC(OCC)OCC, CNC(=O)c1cc(N2CC3CN(C)CC3C2)ccc1N to produce CN1CC2CN(c3ccc4ncn(C)c(=O)c4c3)CC2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.