You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2,2,7-trimethyl-8-phenylmethoxy-7-[tri(propan-2-yl)silyloxymethyl]-1,3-dioxaspiro[4.5]dec-9-ene-6-carbaldehyde ?
user
C29H46O5Si
assistant