You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(2-oxobenzo[cd]indol-1-yl)-N-[(1S)-1-(5,6,7,8-tetrahydronaphthalen-2-yl)propyl]acetamide into its molecular formula.
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C26H26N2O2
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