You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[1-(4-phenylphenyl)-1-[2-(2-prop-2-enoxyethoxy)naphthalen-1-yl]ethyl]-2-(2-prop-2-enoxyethoxy)naphthalene is the IUPAC name of a molecule. Please give its molecular formula.
user
C44H42O4
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