CCOC(=O)Cc1csc(N/C=C2/C(=O)N(c3ccccc3C(F)(F)F)C(=O)c3ccccc32)n1
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?