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 [3-(6-methoxypyridazin-3-yl)oxypyrrolidin-1-yl]-(4-methyl-2-pyrrol-1-yl-1,3-thiazol-5-yl)methanone .
user
C18H19N5O3S
assistant