Using CCOC(=O)c1nn2c(c1OCc1ccccc1)C(=O)N(C)CC2C(N)=O to produce CCOC(=O)c1nn2c(c1OCc1ccccc1)C(=O)N(C)CC2C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.