Using CC(C)(C)OC(=O)N[C@@]1(C)CCNC1, O=C(Cl)OCc1ccccc1 to produce CC(C)(C)OC(=O)N[C@@]1(C)CCN(C(=O)OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.