Using CC(C)(C)OC(=O)N1CCC(C(=O)OCc2ccccc2)CC1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(CC2(C(=O)OCc3ccccc3)CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.