CCc1ccc2nc(O)c(CN(CCN(C)C)C(=O)Nc3ccccc3)cc2c1
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?