Cc1ccc(S(=O)(=O)N2[C@@H](c3ccc4c(c3)OCO4)C(C(=O)O)=C[C@H]2CC2CCCC2)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?