You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-chloro-7-[(1S)-1-methoxyethyl]pyrazolo[1,5-a]pyrimidin-6-yl]-3-(2-chloropyridin-4-yl)urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H14Cl2N6O2
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