C=CCN(c1cccc(C(F)(F)F)c1)S(=O)(=O)c1cccc(C(=O)OCC(=O)NC(N)=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?