Using Cc1nc(Cl)c2nc(-c3ccccc3)cc-2[nH]1, C1CNCCN1 to produce Cc1nc(N2CCNCC2)c2nc(-c3ccccc3)cc-2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.