You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[(1R,2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)cyclohexanecarbonyl]amino]-3-methoxybutanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H32N2O6
assistant