Using CCOC(=O)c1cc2cc(Cl)ccc2n1Cc1cc(C(C)(C)C)ccc1OC to produce COc1ccc(C(C)(C)C)cc1Cn1c(C(=O)O)cc2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.