CCOC(=O)Cc1ccc(NC(=O)N2CCc3c(sc4c3CCCC4)C2c2ccc(F)cc2)cc1
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?