You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [3-[5-(1-benzofuran-2-carbonylamino)-1H-indole-2-carbonyl]-1,2-dihydrobenzo[e]indol-5-yl] 6-(2,5-dioxopyrrol-1-yl)hexanoate;chloroethane ?
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C42H37ClN4O7
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