Using COc1ccc(Cn2cc(C)c3ccc(C(=Cc4ccncc4)c4ccccc4)cc32)cc1 to produce COc1ccc(Cn2cc(C)c3ccc(C(Cc4ccncc4)c4ccccc4)cc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.