Using O=C(O)c1ccc2[nH]c(Nc3c(Cl)cccc3Cl)nc2c1, CC(C)(C)CN to produce CC(C)(C)CNC(=O)c1ccc2[nH]c(Nc3c(Cl)cccc3Cl)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.