You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-[3-amino-6-(4-propan-2-ylsulfonylphenyl)pyrazin-2-yl]ethyl]phenol;3-(2-phenylethyl)-5-(4-propan-2-ylsulfonylphenyl)pyrazin-2-amine;3-(4-phenylpiperazin-1-yl)-5-(4-propan-2-ylsulfonylphenyl)pyrazin-2-amine;3-(3-phenylpropyl)-5-(4-propan-2-ylsulfonylphenyl)pyrazin-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C87H98N14O9S4
assistant