Cc1ccc(F)cc1S(=O)(=O)Nc1cccc(C(=O)N2CCCC(C(N)=O)C2)c1
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?