Cc1ccc(C)c(NC(=O)c2cc(S(=O)(=O)NCCC3=CCCCC3)ccc2F)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?