Using Nc1nc(N)c2c(ccc3[nH]ccc32)n1, ClCc1ccc(Cl)cc1Cl to produce Nc1nc(N)c2c(ccc3c2ccn3Cc2ccc(Cl)cc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.