You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule tert-butyl N-benzyl-N-[4-[3-[(5-cyanopyrazin-2-yl)amino]-3-methylsulfanylprop-2-enoyl]-3,5-dimethoxyphenyl]carbamate into molecular formula.
user
C29H31N5O5S
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