You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[1-[4-[(4-cyanophenyl)methoxy]phenyl]-7,7a-dihydroindol-3-yl]-2-oxoacetic acid;2-[1-[4-[(3-methoxyphenyl)methoxy]phenyl]indol-3-yl]-2-oxoacetic acid .
user
C48H37N3O9
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