Using COc1ccc2cc(Br)ccc2c1, CC(C)(C)OC(=O)N1CCC2(CCC(=O)CC2)CC1 to produce COc1ccc2cc(C3=CCC4(CCNCC4)CC3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.