You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl 4-[1-[3-[2-[2-hydroxy-6-[(E)-methoxyiminomethyl]-1H-indol-3-yl]quinolin-6-yl]propyl]piperidin-4-yl]butanoate into its molecular formula.
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C33H40N4O4
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