Using C[S-], Clc1nc(N2CCOCC2)c2sc(CN3CCOCC3)cc2n1 to produce CSc1nc(N2CCOCC2)c2sc(CN3CCOCC3)cc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.