Using CCOC(=O)c1ccc(N2CCNCC2)cc1, O=C(CBr)C12CC3CC(CC(C3)C1)C2 to produce CCOC(=O)c1ccc(N2CCN(CC(=O)C34CC5CC(CC(C5)C3)C4)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.