Using COc1ccc(C2c3ccccc3C(c3ccc4c(c3)OCO4)C2C(N)=O)cc1 to produce COc1ccc(C2c3ccccc3C(c3ccc4c(c3)OCO4)C2C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.