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system
Name the molecular formula for the molecule established as 1-[4-[(4aR,8aR)-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinoline-2-carbonyl]-3-methoxyphenyl]-3-naphthalen-1-ylurea using the IUPAC nomenclature.
user
C28H31N3O3
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