You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4,6-bis[(3R)-3-methylmorpholin-4-yl]-1,3,5-triazin-2-yl]phenyl]-3-[4-(pyrrolidin-1-ylmethyl)phenyl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H40N8O3
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