Cc1ccc(C(C(=O)NC2CCCCC2)N(Cc2ccco2)C(=O)C2COc3ccccc3O2)o1
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?