Using O=Cc1c(Cl)cc(N2CCOCC2)cc1Cl, COC(=O)c1ccc(CBr)c([N+](=O)[O-])c1 to produce COC(=O)c1ccc(/C=C/c2c(Cl)cc(N3CCOCC3)cc2Cl)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.