Using N#CCc1ccccc1, CCOC(=O)C(=O)C(C#N)c1ccccc1 to produce N#CC(C(=O)C(=O)C(C#N)c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.