You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(3-methyl-6-oxo-7,8,9,10-tetrahydrobenzo[c]chromen-1-yl)oxy]-N-(pyridin-2-ylmethyl)acetamide into its molecular formula.
user
C22H22N2O4
assistant