Using COC(=O)c1ccc(CBr)c([N+](=O)[O-])c1, CC(C)(C)OC(=O)CCc1cc(Cl)c(C=O)c(Cl)c1 to produce COC(=O)c1ccc(/C=C/c2c(Cl)cc(CCC(=O)OC(C)(C)C)cc2Cl)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.