Using Cc1cnc(CCl)c(C)c1, CC1(C)OC(c2ccc(C#N)cc2)=C(c2ccc(O)cc2)C1=O to produce Cc1cnc(COc2ccc(C3=C(c4ccc(C#N)cc4)OC(C)(C)C3=O)cc2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.