You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [3-[ethyl-[(E)-(3-ethyl-2-oxo-1H-benzimidazol-5-yl)methylideneamino]amino]-1,1-dioxo-1,2-benzothiazol-6-yl]boronic acid into its molecular formula.
user
C19H20BN5O5S
assistant