You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S,3S)-4-[methyl(propan-2-yl)amino]-2-[(E)-2-tributylstannylethenyl]-3-(2-trimethylsilylethoxy)-2,3-dihydropyran-6-one .
user
C28H55NO3SiSn
assistant