CCCC(=O)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCCC1
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?