CC(NC(=O)c1ccc2c(=O)n3c(nc2c1)CCC3)c1ccc(S(N)(=O)=O)cc1
The negative base-10 logarithmic of dissociation constant (pka) for an acid is a direct consequence of the underlying thermodynamics of the dissociation reaction; the pKa value is directly proportional to the standard Gibbs free energy change for the reaction. What is the pka value of this molecule?