Using CN1CCN(C2(CN)CCC=COC2)CC1, Cn1c(=O)c(C=O)cc2ccccc21 to produce CN1CCN(C2(CNCc3cc4ccccc4n(C)c3=O)CCC=COC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.