Using COCC[C@H]1CNCCN1, CC(C)c1cc2c(s1)Nc1ccccc1N=C2N to produce COCC[C@H]1CN(C2=Nc3ccccc3Nc3sc(C(C)C)cc32)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.