You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-[1-[4-(oxiran-2-ylmethoxy)-3-phenylphenyl]cyclotridecyl]-2-phenylphenoxy]methyl]oxirane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H50O4
assistant