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-[3-[[4-methyl-5-(2-methylimidazo[1,2-a]pyridin-3-yl)-1,3-thiazol-2-yl]amino]phenyl]-2-(2-methylphenyl)ethanone into molecular formula.
user
C27H24N4OS
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