You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[2-[1-(3-fluorophenyl)-2-methyl-5-(4-methylsulfonylphenyl)pyrrol-3-yl]acetyl]amino]-3-nitrooxypropanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22FN3O8S
assistant