You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-(1,1-dioxo-1,2-thiazolidin-2-yl)phenyl]-1-ethyl-6-(2-fluoroethoxy)indol-3-amine .
user
C21H24FN3O3S
assistant