Using Cc1cc(Br)ccc1N, CCOC(=O)C1(CCC=O)CCN(C(=O)OC(C)(C)C)CC1 to produce CCOC(=O)C1(CCCNc2ccc(Br)cc2C)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.