You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6-chloro-3-methylpyridazin-4-yl)-[4-fluoro-2-methyl-5-(7-morpholin-4-ylquinazolin-4-yl)phenyl]methanol;ethane into its molecular formula.
user
C27H29ClFN5O2
assistant