CCN(C(=O)COC(=O)c1cccc(NS(=O)(=O)c2ccc(F)c(F)c2)c1)C1CCS(=O)(=O)C1
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?