Using CC(C)(C)OC(=O)N1CCCNCC1, Brc1cc2ccccc2c(Br)n1 to produce CC(C)(C)OC(=O)N1CCCN(c2nc(Br)cc3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.