CCCCCCn1c(=O)n2n(c1=O)[C@@H]1CN(S(=O)(=O)c3ccc(C)cc3)C[C@]1(O)[C@@H](OC(=O)NCc1ccccc1F)C2
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?