Using Clc1nc2cc(Cl)c(Cl)cc2[nH]1, Clc1cccnc1N1CCNCC1 to produce Clc1cc2nc(N3CCN(c4ncccc4Cl)CC3)[nH]c2cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.