You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule bis(4-ethoxy-2-hydroxyphenyl)methanone;(2-hydroxy-4-methylphenyl)-pyridin-3-ylmethanone;(2-hydroxy-4-propan-2-yloxyphenyl)-naphthalen-2-ylmethanone into molecular formula.
user
C50H47NO10
assistant