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What is the molecular formula of the molecule identified by 3-(1,3-dimethyl-2-oxo-5-phenylimidazol-4-yl)-6-ethoxy-9,11,11-trimethyl-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7,9-tetraen-2-one ?
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C27H29N3O3
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