Cc1c(C(=O)Nc2ccc(F)c(F)c2)oc2ccc(S(=O)(=O)N(C)C3CCCCC3)cc12
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?