Using Oc1ccc(N(c2ccc(Cl)cc2)c2ccc(Cl)cc2)cc1, BrCCBr to produce Clc1ccc(N(c2ccc(Cl)cc2)c2ccc(OCCBr)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.