Using CC(C)(C)OC(=O)N1CCC(O)CC1, COC(=O)c1cc(Cl)cc(O)c1C to produce COC(=O)c1cc(Cl)cc(OC2CCN(C(=O)OC(C)(C)C)CC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.