CC1=C(O)/C(=C/C(C)CCC/C(C)=C/C=C/C(C)CCCc2ccoc2)OC1=O
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?