CC(C)C(C(=O)NCc1ccco1)N(C(=O)CNS(=O)(=O)c1ccccc1)C1CCCC1
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?