You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3,3-dimethylbutyl)-N-(2,2-dimethylpropyl)-2-(3-ethyl-7-methoxy-2-oxoquinolin-1-yl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H38N2O3
assistant