You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[[4-(6-chloro-2-cyclopropylpyrimidin-4-yl)oxyphenyl]methylsulfonyl]-N-methylcarbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H24ClN3O5S
assistant