You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(2,4-difluorophenyl)-6-fluoro-7-[3-(methylaminomethyl)-1,4-dioxa-8-azaspiro[4.5]decan-8-yl]-2H-1,8-naphthyridine-3-carboxylic acid ?
user
C24H25F3N4O4
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