You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2E,6E)-9-[(4R)-2-(4-methoxyphenyl)-5,5-dimethyl-1,3-dioxolan-4-yl]-3,7-dimethylnona-2,6-dien-1-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H34O4
assistant