CCCCCCCCCC(=O)OCC1OC(n2cc(F)c(=O)[nH]c2=O)C(NC(=O)OCc2ccccc2)C(OC(=O)CCCCCCCCC)C1O
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?