You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-methoxyphenyl)methyl]-4-(trifluoromethyl)-5-[[(2S)-1-[[7-[5-(trifluoromethyl)pyrazin-2-yl]-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-2-yl]methoxy]propan-2-yl]amino]pyridazin-3-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27F6N9O3
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