Cc1nnc(SCC(=O)Nc2cc(-c3cc(C)c(C)cc3C)nn2-c2ccccc2)s1
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?