Using Clc1cc(-c2ccncc2)c(Cl)nn1, NNC(=O)c1ccccc1 to produce Clc1nn2c(-c3ccccc3)nnc2cc1-c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.