Using COc1ccc(-c2[nH]c(=O)c3cc(OC)ccc3c2[N+](=O)[O-])cc1, OCCBr to produce COc1ccc(-c2c([N+](=O)[O-])c3ccc(OC)cc3c(=O)n2CCO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.