You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 8-[2-fluoro-5-[2-fluoro-2-[5-[(3-methyl-1,2,4-oxadiazol-5-yl)methoxy]pyrazin-2-yl]ethenyl]phenyl]-5,8-dimethyl-4,4-dioxo-4lambda6-thia-5,7-diazaspiro[2.5]oct-6-en-6-amine into molecular formula.
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C23H23F2N7O4S
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