You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 10-acetamido-2-benzyl-N-cycloheptyl-7,8-dimethoxy-3-methyl-1-oxo-4H-pyrazino[1,2-a]indole-3-carboxamide ?
user
C31H38N4O5
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