CCN(CC)c1nc2c(C)cccn2c(=O)c1C=C1C(=O)NC(=O)NC1=O
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?