You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[6-carbamoyl-3-[4-[6-carbamoyl-2-(2-ethyl-5-methylpyrazol-3-yl)-8-(3-methoxypropoxy)pyrimido[4,5-b]indol-9-yl]but-2-enyl]-2-[(2-ethyl-5-methylpyrazole-3-carbonyl)amino]benzimidazol-4-yl]oxyethyl 2-ethyl-5-methylpyrazole-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C49H56N14O8
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