Using C[S-], Clc1nc(N2CCOCC2)c2sc(CN3CCN(CC4CC4)CC3)cc2n1 to produce CSc1nc(N2CCOCC2)c2sc(CN3CCN(CC4CC4)CC3)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.