(2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.0²,⁶]dodeca-2(6),7-dien-10-yl}-4-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methyl acetate