You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [17-(benzimidazol-1-yl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-yl] 2-amino-3-methyl-4-oxobutanoate;ethanamine is given. What is its corresponding molecular formula?
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C33H46N4O3
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