Using Nc1ccccc1N, S=C=Nc1ccc(Oc2nccnc2Cl)cc1 to produce Clc1nccnc1Oc1ccc(Nc2nc3ccccc3[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.