You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(7-butoxy-6-methoxy-1-methyl-4-nitroisoquinolin-3-yl) acetate is the IUPAC name of a molecule. Please give its SMILES representation.
user
CCCCOC1=CC2=C(C)N=C(OC(C)=O)C([N+](=O)[O-])=C2C=C1OC
assistant