You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(4,4-dimethylpent-2-ynoxy)-N-(3-ethyl-4-fluorophenyl)pyrazine-2-carboxamide;3-fluoro-N'-methyl-2-sulfanylpropanimidamide;2-methylpropane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H41F2N5O2S
assistant