You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[6-cyano-5-(trifluoromethyl)pyridin-3-yl]-3-(1-formylcyclobutyl)-1-methyl-3-(3-phenylphenyl)thiourea ?
user
C26H21F3N4OS
assistant