Using CC(C)(C)OC(=O)Nc1nc(-c2ccc(Cl)cc2Cl)[nH]c1C#N to produce N#Cc1[nH]c(-c2ccc(Cl)cc2Cl)nc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.