Cc1cc(C(=O)COC(=O)c2ccc(O)cc2O)c(C)n1-c1ccc(OC(F)F)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?