COc1ccc(S(=O)(=O)N(C)C[C@H]2Oc3ccc(NS(=O)(=O)c4ccc(F)cc4)cc3C(=O)N([C@H](C)CO)C[C@@H]2C)cc1
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?