You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance ethyl 4-[(3R)-3-[3-(1-aminoethenylamino)propyl]-2-(methylcarbamoyl)-4-oxoazetidine-1-carbonyl]piperazine-1-carboxylate;2-methylbutane .
user
C23H42N6O5
assistant