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-[2-(hydroxymethyl)-2,3-dihydro-1H-benzo[f]chromen-1-yl]-1-methyl-3-[3-(trifluoromethyl)phenyl]thiourea ?
user
C23H21F3N2O2S
assistant