Using Brc1ccc(Br)nc1, Cc1cc(C2CN(C(=O)OC(C)(C)C)CCO2)cnc1N to produce Cc1cc(C2CN(C(=O)OC(C)(C)C)CCO2)cnc1Nc1ccc(Br)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.