Using CCOC(=O)c1c(-n2cncn2)nc(-c2ccccc2)c([N+](=O)[O-])c1C(=O)OCC to produce CCOC(=O)c1c(-n2cncn2)nc(-c2ccccc2)c(N)c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.