You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[4-(3-chlorophenyl)piperazin-1-yl]-2-[4-[(3R)-3-methylpiperidin-1-yl]sulfonylphenyl]-1,3-oxazole-4-carbonitrile into its molecular formula.
user
C26H28ClN5O3S
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