You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3-methyl-1,2,3,4-tetrahydropyrido[1,2-a]benzimidazol-7-yl)methyl N-[2-(2-methoxy-4-methylphenyl)-4-methyl-1,3-thiazol-5-yl]carbamate into molecular formula.
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C26H28N4O3S
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