Using O=[N+]([O-])c1ccc2[nH]ccc2c1, COC(=O)CCCCBr to produce COC(=O)CCCCn1ccc2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.