Using COC(=O)[C@@H]1C[C@H](Oc2ccc(Br)cc2)CN1, O=C=Nc1cc(Cl)cc(Cl)c1 to produce O=C1[C@@H]2C[C@H](Oc3ccc(Br)cc3)CN2C(=O)N1c1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.