You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5-methylthiophen-2-yl)-[9-[[(2R)-oxan-2-yl]methoxy]-7-pyridin-3-yl-3,5-dihydro-2H-1,4-benzoxazepin-4-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H28N2O4S
assistant