You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (9R,10S,11S,13S,14S,16R,17R)-N-[5-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentyl]-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxamide into molecular formula.
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C41H52FN9O5
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