You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-(5-tert-butyl-2-methylphenyl)-6-[4-(4-methoxyphenyl)piperazin-1-yl]-5-N,5-N-dimethylpyrazine-2,5-diamine ?
user
C28H38N6O
assistant