Using CI, O=C(N[C@H]1CC[C@H](CCN2CCN(c3cccc4c3OCO4)CC2)CC1)C1(O)CC1 to produce COC1(C(=O)N[C@H]2CC[C@H](CCN3CCN(c4cccc5c4OCO5)CC3)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.