You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-[2-[[3-chloro-5-(4-methylpiperazin-1-yl)benzoyl]amino]propan-2-yl]triazol-1-yl]ethyl methanesulfonate into its molecular formula.
user
C20H29ClN6O4S
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