You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[7-hydroxy-2,2-dimethyl-5-(2-phenylethyl)-3,4-dihydrochromen-4-yl]-2,2-dimethyl-5-(2-phenylethyl)chromen-7-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H40O4
assistant