Using CO[C@@H]1COCC[C@@H]1N[C@@H]1C[C@H]2OCC[C@@]2(C(=O)N2CCN(C(=O)OCc3ccccc3)CC2)C1 to produce CO[C@@H]1COCC[C@@H]1N[C@@H]1C[C@H]2OCC[C@@]2(C(=O)N2CCNCC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.