You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[[1-(cyclobutanecarbonyl)-2-methyl-2,3-dihydroindol-5-yl]sulfonyl]-N-(pyridin-2-ylmethyl)piperidine-4-carboxamide into its molecular formula.
user
C26H32N4O4S
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