You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[(3-hydroxy-4-methoxypyridine-2-carbonyl)amino]-8-[(4-methoxyphenyl)methyl]-6-methyl-4,9-dioxo-1,5-dioxonan-7-yl] 2-methylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H32N2O10
assistant