You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl 3-[3-[[3-[3-[2-[2-hydroxyethyl(methyl)amino]-2-oxoethyl]phenyl]-6-oxopyridazin-1-yl]methyl]phenyl]propanoate into its molecular formula.
user
C27H31N3O5
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