Using COCCBr, CC(=O)Nc1c(OCc2ccccc2)cc(Br)cc1[N+](=O)[O-] to produce COCCN(C(C)=O)c1c(OCc2ccccc2)cc(Br)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.