Using CNN, COC(=O)c1cn(Cc2cccc3ccccc23)cc1C(=O)CC(C)C to produce CC(C)Cc1nn(C)c(=O)c2cn(Cc3cccc4ccccc34)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.