Cc1cc(C(=O)Cn2nc(C(=O)O)c3ccccc3c2=O)c(C)n1-c1ccc(OC(F)F)cc1
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?