Using O=C=O, N#Cc1cnn(-c2ccc(Cl)c(Cl)c2Cl)c1N(C(=O)Oc1ccccc1)C(=O)Oc1ccccc1 to produce CC(C)(C)OC(=O)Nc1c(C#N)cnn1-c1ccc(Cl)c(Cl)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.