CC(C(=O)Nc1cccc(S(=O)(=O)N2CCOCC2)c1)N1CCN(c2ccc(F)cc2)CC1
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?