You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 3-(1,3-benzodioxol-5-ylamino)-4-(4-fluorophenyl)-1-(2-methoxyethyl)pyrrole-2,5-dione ?
user
C20H17FN2O5
assistant