You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-3-(1H-indol-3-yl)-2-[[5-[2-(2-methylphenyl)ethynyl]thiophen-2-yl]sulfonylamino]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H20N2O4S2
assistant