You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,2S,3S)-2-ethylsulfonyl-1-(hydroxymethyl)-3-(4-methoxyphenyl)cyclopropane-1-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C14H18O6S
assistant