You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[2-(9H-fluoren-9-ylmethoxycarbonylamino)-1,3-thiazole-4-carbonyl]amino]cyclobutane-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H21N3O5S
assistant