Using COc1nc(Cl)ccc1C#N, Cc1cc(NC(=O)OC(C)(C)C)ccc1Br to produce COc1nc(N(C(=O)OC(C)(C)C)c2ccc(Br)c(C)c2)ccc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.