Using CC(C)(C)C(=O)Nc1cccnc1N, COC(=O)C(=O)C(C)Br to produce COC(=O)c1nc2c(NC(=O)C(C)(C)C)cccn2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.