Using CN(Cc1ccccc1)C(=O)C(CNC(=O)OC(C)(C)C)NC(=O)Cc1cncn1Cc1ccc(C#N)cc1 to produce CN(Cc1ccccc1)C(=O)C(CN)NC(=O)Cc1cncn1Cc1ccc(C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.