You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(5-fluoro-1,2,3,4-tetrahydronaphthalen-1-yl)-3-(furan-2-yl)-N-propan-2-ylpropan-1-amine;methanesulfonic acid into its molecular formula.
user
C21H30FNO4S
assistant