Using CCc1nnc(-c2cc(C(=O)OC)ccc2NS(=O)(=O)c2ccc(C(C)(C)C)cc2)n1C to produce CCc1nnc(-c2cc(C(=O)O)ccc2NS(=O)(=O)c2ccc(C(C)(C)C)cc2)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.