CCN(CC)S(=O)(=O)c1cc(C(=O)Nc2cc(Cl)ccc2N2CCN(C)CC2)ccc1Cl
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?