Using CN1CCOCC1, CC(C)C[C@H](NC(=O)[C@H](CC(C)C)NC(=O)OC(C)(C)C)C(=O)O to produce CC(C)C[C@H](NC(=O)[C@H](CC(C)C)NC(=O)OC(C)(C)C)C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.