You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2Z)-8-(1,1-dioxothiolan-3-yl)-2-[(3-fluorophenyl)methylidene]-4-methyl-7,9-dihydrofuro[2,3-f][1,3]benzoxazin-3-one by IUPAC nomenclature, provide its molecular formula.
user
C22H20FNO5S
assistant