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 (1S,3R,7R,9S,12R,14S,15S,17R,19R)-7-[3-[tert-butyl(dimethyl)silyl]oxypropyl]-12-methyl-15-phenylmethoxy-17-(3-phenylmethoxypropyl)-2,8,13,18-tetraoxatetracyclo[10.8.0.03,9.014,19]icosan-6-one ?
user
C43H64O8Si
assistant