You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-(butylideneamino)-4-methyl-7-(5-methylazonan-1-yl)-2-thiophen-2-yl-4,5-dihydroazocin-8-imine into molecular formula.
user
C25H38N4S
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