CCOC(=O)C(Cc1ccc(NC(=O)/C(=C/c2ccc(OC(C)=O)cc2)NC(C)=O)cc1)N1C(=O)c2ccccc2C1=O
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?