You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-amino-N-[(5-methyl-7-oxo-3,6,8,9-tetrahydro-2H-furo[2,3-f]quinolin-2-yl)methyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H21N3O3
assistant