Using COC(=O)CC1CN(Cc2ccccc2)CCN1Cc1ccccc1, CC(C)(C)OC(=O)ON=C(C#N)c1ccccc1 to produce COC(=O)CC1CN(C(=O)OC(C)(C)C)CCN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.