Using Nc1nccn1Cc1cc(Cl)cc(Cl)c1, COc1cccc(CBr)c1 to produce COc1cccc(CNc2nccn2Cc2cc(Cl)cc(Cl)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.