CCc1nnc(NC(=O)COc2ccc(N(C)S(=O)(=O)c3ccc(C)cc3)cc2)s1
An acid's negative base-10 logarithmic dissociation constant (pKa) follows directly from its underlying thermodynamics; the negative pKa is directly proportional to its standard Gibbs free energy change. What is the negative pKa value of this molecule?