Cc1nnc(SCC(=O)NCC(=O)Nc2ccc(F)c(F)c2F)n1Cc1ccccc1
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?