Using CCOC(=O)C(=O)N1CCN(c2ccc(OC)c(OC3CCCC3)c2)C[C@@H]1Cc1ccccc1, N to produce COc1ccc(N2CCN(C(=O)C(N)=O)[C@@H](Cc3ccccc3)C2)cc1OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.