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-chloro-6,8-dihydro-5H-1,7-naphthyridin-7-yl)-[6-methyl-4-[(1-methylcyclopropyl)amino]furo[2,3-d]pyrimidin-5-yl]methanone .
user
C20H20ClN5O2
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