Using CCOC(=O)CC(=N)N, COC(=O)c1ccc(C(=O)CBr)cc1 to produce CCOC(=O)c1cc(-c2ccc(C(=O)OC)cc2)[nH]c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.