You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[4-[7-[6-[[2-(2,6-dioxopiperidin-3-yl)-1-oxo-3H-isoindol-5-yl]amino]-6-hydroxyhexoxy]-6-methoxyquinazolin-4-yl]oxy-3-fluorophenyl]-6-ethyl-1,2-dimethyl-4-oxoquinoline-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C48H48FN7O9
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