CCN(c1cc(C)cc(C)c1)S(=O)(=O)c1nnc(NC(=O)C(C)(C)C)s1
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?