You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(4-chloro-2,5-dimethoxyphenyl)-2-[(5-cyclopentyl-4-prop-2-enyl-1,2,4-triazol-3-yl)sulfanyl]acetamide .
user
C20H25ClN4O3S
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