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 11-[[(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-9-[2-(4-methylpiperazin-1-yl)ethoxyimino]-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1H-cyclopenta[a]chrysene-3a-carbonyl]amino]undecanoic acid is given. What is its corresponding molecular formula?
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C48H82N4O4
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