You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-ethyl-7-(4-hydroxy-3-methoxyphenyl)-8-methylnonanenitrile;2-ethyl-8-methyl-7-(2-methylphenyl)nonanenitrile;10-(4-hydroxy-3-methoxy-2-methylphenyl)-2,9-dimethyldecanenitrile by IUPAC nomenclature, provide its molecular formula.
user
C58H89N3O4
assistant