You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[[2-(4-chlorophenyl)-6-[3-(trifluoromethyl)phenyl]imidazo[1,2-a]pyridin-3-yl]methyl]piperazin-1-yl]-cyclobutylmethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H28ClF3N4O
assistant