Cn1c(=O)oc2cc(S(=O)(=O)NC(Cc3ccccc3)C(=O)Nc3ccc(F)cc3)ccc21
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?