CC1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2C.O=C(O)/C=C/C(=O)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?