Using CC(C)(C)OC(=O)N1CCc2c([nH]c3ccccc23)C1, BrCc1ccccc1 to produce CC(C)(C)OC(=O)N1CCc2c(n(Cc3ccccc3)c3ccccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.