Using CC(C)(C)OC(=O)N1CCN(C(=O)CBr)CC1, COC(=O)c1ccc(O)cc1Cl to produce COC(=O)c1ccc(OCC(=O)N2CCN(C(=O)OC(C)(C)C)CC2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.