CC(C)(C)OC(=O)C[C@H]1C/C=C\C[C@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)N[C@@H](c2ccccc2)COC1=O
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?