Cc1cc(C)cc(NC(=O)Cn2c(=O)oc3cc(S(=O)(=O)N4CCC(C)CC4)ccc32)c1
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?