Using O=C(Nc1cc2ccc(O)cc2cn1)C1CC1, CCOC(=O)C(C)(C)Br to produce CCOC(=O)C(C)(C)Oc1ccc2cc(NC(=O)C3CC3)ncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.