Cc1ccc(NC(=O)COC(=O)Cc2c(F)cccc2Cl)cc1S(=O)(=O)N1CCOCC1
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?