You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[5-(furan-2-yl)-1,3-oxazole-4-carbonyl]piperazin-1-yl]-(5-nitrothiophen-2-yl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H14N4O6S
assistant