Using CC(=O)OC(C)=O, CC(C)(C)OC(=O)N[C@H]1CC[C@H](N)CC1 to produce CC(=O)N[C@H]1CC[C@H](N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.