You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1S,12R,13S,15R,16R)-15-[[tert-butyl(dimethyl)silyl]oxymethyl]-13-methoxy-3,10-dioxo-2,11,14-trioxabicyclo[10.4.0]hexadec-6-en-16-yl] pent-4-enoate into molecular formula.
user
C26H42O9Si
assistant