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system
What is the molecular formula of the molecule 4-[(2S,3R)-1-[(4-bromophenyl)methyl]-2-(6-chloro-1H-indol-3-yl)-3-[(E)-hex-2-enyl]-5-oxopyrrolidine-3-carbonyl]-N-ethylpiperazine-1-carboxamide ?
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C33H39BrClN5O3
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