You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(E)-2-(4-fluorophenyl)ethenyl]-N-[(2S)-2-hydroxypropyl]-4-methoxy-2H-indazole-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H20FN3O3
assistant