You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2R)-2-[3-(5-fluoro-2-phenyl-1H-indol-3-yl)propanoylamino]-3-methoxy-2-methylpropanoic acid .
user
C22H23FN2O4
assistant