Cc1cn(-c2cc(C(=O)Nc3ccc(C)c(NC(=O)N4CCNC4=O)c3)cc(C(F)(F)F)c2)cn1
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?