You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methyl 2-[[(2-methylpropan-2-yl)oxycarbonylamino]methyl]-3-[[(2S)-oxetan-2-yl]methyl]benzimidazole-5-carboxylate into molecular formula.
user
C19H25N3O5
assistant