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 2-(5-methoxy-4,8,8-trimethyl-2-oxo-9,10-dihydropyrano[2,3-h]chromen-3-yl)-N-(1-phenylethyl)acetamide ?
user
C26H29NO5
assistant