You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[4-(1-tert-butylpiperidin-4-yl)oxybut-1-ynyl]-5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxypyridine;2-[3,3-difluoro-3-[2-[(2-methylpropan-2-yl)oxy]ethoxy]prop-1-ynyl]-5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxypyridine;2-[4-(2,2-dimethylpropoxy)but-1-ynyl]-5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxypyridine;4-isocyano-2-[3-methyl-3-[2-[(2-methylpropan-2-yl)oxy]ethoxy]but-1-ynyl]-5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxypyridine;2-methyl-3-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxy-6-[4-(3-propan-2-yloxypropoxy)but-1-ynyl]pyridine;2-[3-methyl-3-[2-[(2-methylpropan-2-yl)oxy]ethoxy]but-1-ynyl]-5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxypyridine;5-[3-[(2-methylpropan-2-yl)oxy]cyclobutyl]oxy-2-[2-[1-[2-[(2-methylpropan-2-yl)oxy]ethoxy]cyclopropyl]ethynyl]pyridine is given. What is its corresponding molecular formula?
user
C167H249F2N9O26
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