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system
Provide the molecular formula for the IUPAC named substance (2E,4E,6E,8E)-N-(3-chlorophenyl)-3,7-dimethyl-9-(2,3,6,6-tetramethylcyclohexen-1-yl)nona-2,4,6,8-tetraenamide .
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C27H34ClNO
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