Using CCCOc1ccc2ccccc2c1CNc1c([N+](=O)[O-])nn(CC)c(=O)c1Br to produce CCCOc1ccc2ccccc2c1CNc1c(N)nn(CC)c(=O)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.