Using CCOC(=O)c1ccccc1-n1cc2cc(C)ccc2n1, O=C1CCC(=O)N1Br to produce CCOC(=O)c1ccccc1-n1nc2ccc(C)cc2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.