You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-(1,3-benzodioxol-5-yl)-2-[2-(3H-pyrrol-2-yl)ethyl]pyrrolidin-1-yl]-N,N-dibutylacetamide .
user
C27H39N3O3
assistant