Using CC(C)(C)OC(=O)N1CCO[C@H](CN)C1, O=C(O)CO to produce CC(C)(C)OC(=O)N1CCO[C@H](CNC(=O)CO)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.