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 3,5-diamino-6-chloro-N-[N'-[4-[4-[2-(1H-imidazol-2-ylamino)-2-oxoethoxy]piperidin-1-yl]butyl]carbamimidoyl]pyrazine-2-carboxamide .
user
C20H30ClN11O3
assistant