C#CC(O)/C=C/C(O)CCCC(O)CC#CC(O)C#CC(O)CCCC(O)/C=C/CCCCCC(=O)CCCCCCCCCCCCCC(O)C(O)C#CC(=O)O
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 negative pKa value is directly proportional to the standard Gibbs free energy change for the reaction. What is the negative pKa value of this molecule?