Using CCOC(=O)CN1CCN(CC(=O)OCC)[C@@H](C(N)=O)[C@H]1C(N)=O to produce O=C1CN2CCN3CC(=O)NC(=O)[C@H]3[C@H]2C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.