CC1CCN(S(=O)(=O)c2ccc3c(c2)c(=O)c(C(=O)NC(C)c2ccccc2)cn3C)CC1
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?