Cc1nc2c(C(=O)NCc3ccc4c(c3)OCO4)cnn2c(O)c1Cc1ccccc1F
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?