You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
trimethyl-[(E)-2-[(2S,3S,4R,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]prop-1-enyl]silane is the IUPAC name of a molecule. Please give its molecular formula.
user
C40H48O5Si
assistant