Using CCOC(=O)c1c(Nc2ccccc2[N+](=O)[O-])c(Cl)cn1C to produce CCOC(=O)c1c(Nc2ccccc2N)c(Cl)cn1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.