Using O=[N+]([O-])c1ccccc1CBr, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(Cc1ccccc1[N+](=O)[O-])C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.