Using CCOC(=O)CC(C)=O, COc1cccc(-c2csc(N)c2C#N)c1 to produce CCOC(=O)c1c(C)nc2scc(-c3cccc(OC)c3)c2c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.