Using CCN(c1nc(C)cc(C(=O)OC)n1)c1ccc(C(C)C)cc1Br, Brc1ccc2[nH]ccc2c1 to produce CCN(c1nc(C)cc(C(=O)c2ccc3[nH]ccc3c2)n1)c1ccc(C(C)C)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.