Using c1ccc(N2CCNCC2)cc1, ClCc1nc(-c2ccccc2)cs1 to produce c1ccc(-c2csc(CN3CCN(c4ccccc4)CC3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.