Using O=C1CCOCC1, C[C@@H](Oc1nc(-c2ccc(N3CCNCC3)cc2)cc2ncn(C)c12)[C@H]1CNC(=O)C1 to produce C[C@@H](Oc1nc(-c2ccc(N3CCN(C4CCOCC4)CC3)cc2)cc2ncn(C)c12)[C@H]1CNC(=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.