CC1CC[C@@]2(C(=O)O)CCC3(C)C(=CCC4[C@]5(C)CC(O)C(O)[C@](C)(CO)C5C(O)C[C@@]43C)C2C1C
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?