CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CCc1c[nH]c2ccccc12
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?