Using CCOc1cc(C)c(C#N)cc1C(=O)N(C)C(=O)OC(C)(C)C, O=C1CCC(=O)N1Br to produce CCOc1cc(CBr)c(C#N)cc1C(=O)N(C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.