CCn1cnc2c1c(=O)n(CC(=O)Nc1ccc3c(c1)OC(F)(F)O3)c(=O)n2Cc1ccccc1
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?