CCO[C@@H]1OC(C(=O)Nc2ccccc2)=C[C@H](c2ccc(C(F)(F)F)cc2)[C@H]1CCCO
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?