Using COC(=O)C(=Cc1cccc(C#N)c1)NC(=O)c1ccccc1 to produce COC(=O)C(Cc1cccc(C#N)c1)NC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.