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 1-[3-amino-2-[[2,6-di(propan-2-yl)pyridin-3-yl]methyl]phenyl]-3-[1-butyl-4-(3-methoxyphenyl)-2-oxo-1,8-naphthyridin-3-yl]urea .
user
C38H44N6O3
assistant