Using O=C(c1ccc(CBr)cc1)c1ccc([N+](=O)[O-])cc1, Cc1c(O)nc2scc(C)n2c1=O to produce Cc1c(OCc2ccc(C(=O)c3ccc([N+](=O)[O-])cc3)cc2)nc2scc(C)n2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.