Using CC(C)(C)OC(=O)NCc1ccc(C(=O)O)cc1, [Zn]c1cc2ccccc2[nH]1 to produce CC(C)(C)OC(=O)NCc1ccc(C(=O)c2c[nH]c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.