You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 4-cyclopropyl-N'-[(1,1-dioxothiolan-3-yl)methyl]-3-oxo-N-(oxolan-3-ylmethyl)piperazine-1-carboximidamide ?
user
C18H30N4O4S
assistant