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 (2R,3R,4S)-1-[2-[butyl-[4-(dimethylamino)butyl]amino]-2-oxoethyl]-4-[7-(hydroxymethyl)-1,3-benzodioxol-5-yl]-2-[(2-oxopyrrolidin-1-yl)methyl]pyrrolidine-3-carboxylic acid .
user
C30H46N4O7
assistant