Cc1ccc(NC(=O)CN2C(=O)C3(SCC(=O)N3c3ccc(F)c(F)c3)c3ccccc32)c(C)c1
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?