CCOP(=O)(OCC)C(C)(CC)N/C(=N\C1=NC(C(F)(F)F)(C(F)(F)F)N=C(C(F)(F)F)O1)NC(NC(C)=O)(C(F)(F)F)C(F)(F)F
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?