Using COC(=O)c1ccc(N)c(N)c1, S=C=Nc1c(Cl)cccc1Cl to produce COC(=O)c1ccc2[nH]c(Nc3c(Cl)cccc3Cl)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.