You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[2-(4-ethylphenyl)-1,3-thiazol-4-yl]-1-[4-(3-methoxy-4-methylbenzoyl)piperazin-1-yl]ethanone .
user
C26H29N3O3S
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