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 2-[[5-[(4-chlorophenoxy)methyl]-1,3,4-oxadiazol-2-yl]sulfonyl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide .
user
C20H15ClN4O5S2
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