Using CC(C)(C)OC(=O)C(C)(C)Br, Oc1cc(Cl)cnc1Cl to produce CC(C)(C)OC(=O)C(C)(C)Oc1cc(Cl)cnc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.