You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[[3-(5-carbamimidoyl-1-benzofuran-2-yl)-1-(1-ethylpyrrolidin-3-yl)propyl]amino]-6-methylpyrimidin-2-yl]-3-(4-methylphenyl)urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H38N8O2
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