Using Cc1cnc(CCl)c(C)c1, COc1ccc(C2=C(c3ccc(O)cc3)C(=O)C(C)(C)O2)cc1 to produce COc1ccc(C2=C(c3ccc(OCc4ncc(C)cc4C)cc3)C(=O)C(C)(C)O2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.