You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[(2S)-2-[4-(2-fluorophenyl)piperazin-1-yl]-2-(furan-2-yl)ethyl]-N-(thiophen-2-ylmethyl)oxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H25FN4O3S
assistant