You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 5-[(E)-2-(4-chloro-1-methylpyrazol-3-yl)ethenyl]-3-methyl-4-nitro-1,2-oxazole ?
user
C10H9ClN4O3
assistant