CC1(C)OC2CC3C4CC(F)C5=CC(=O)C=C[C@@]5(C)[C@@]4(F)C(O)C[C@@]3(C)[C@]2(C(=O)CO)O1
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?