Cc1nn(Cc2c(F)c(F)c(F)c(F)c2F)c(C)c1NC(=O)c1ccc(COc2ccc(F)cc2)o1
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?