You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3-[(2,4-dimethylpyrrolidin-1-yl)methyl]-4-fluoro-1-benzothiophene-2-carboxylic acid is given. What is its corresponding molecular formula?
user
C16H18FNO2S
assistant