Using Cc1cccc(C(=O)C2CCN(Cc3cncn3Cc3ccc(C#N)cc3)CC2)c1 to produce Cc1cccc(C(O)C2CCN(Cc3cncn3Cc3ccc(C#N)cc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.