CCOc1cccc2c1Oc1nc(-c3ccccc3)nc(SCC(=O)Nc3ccc(F)cc3)c1C2
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?