You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(3S,7S,8S,9S)-7-(3-cyclohexa-2,4-dien-1-ylpropoxy)-8-cyclopentyloxy-9-methyl-2-oxooxonan-3-yl]-3-hydroxy-4-methoxypyridine-2-carboxamide .
user
C30H42N2O7
assistant