Cc1ccc(-c2nnc(Nc3ccc(C(=O)N(C)C)cc3)c3ccccc23)cc1S(=O)(=O)NC(C)(C)CO
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?