You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4,6-diethyl-2-phenyl-2-(2,2,2-trichloroethyl)-1,3,5,2,4,6-trioxatrisilinane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H19Cl3O3Si3
assistant