Using Nc1cc2ccccc2nc1Cl, COC(=O)C=Cc1ccc(C(C)(C)C)cc1 to produce CC(C)(C)c1ccc(C=CC(=O)Nc2cc3ccccc3nc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.