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,6Z,9R,10S)-10-[(4-methoxyphenyl)methoxymethyl]-2-(phenylmethoxymethyl)-3,4,5,8,9,10-hexahydro-2H-oxecin-9-ol .
user
C26H34O5
assistant