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 4-[[(2R)-1-cyclopropyl-1-hydroxypropan-2-yl]amino]-6-(6-methoxypyridin-3-yl)pyrrolo[1,2-b]pyridazine-3-carboxamide ?
user
C20H23N5O3
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