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system
Provide the molecular formula for the IUPAC named substance ethyl 2-[(2S,4R,5S)-4-(4-methoxyphenyl)-5,8,8-trimethyl-3-oxatricyclo[7.3.1.05,13]trideca-1(13),9,11-trien-2-yl]acetate .
user
C26H32O4
assistant