You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(2-cyclopentylacetyl)amino]-N,3-dimethyl-2-(oxolan-2-yl)-N-(2-pyridin-2-ylethyl)benzimidazole-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H35N5O3
assistant