You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-benzyl-2-[(3-chloro-4-fluorophenyl)carbamoyl-cyclohexylamino]-N-(thiophen-2-ylmethyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H29ClFN3O2S
assistant