Using Nc1ncnc2[nH]nc(I)c12, ClCc1cc2cccc(Cl)c2nc1-c1ccccc1Cl to produce Nc1ncnc2c1c(I)nn2Cc1cc2cccc(Cl)c2nc1-c1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.