Using CCOC(=O)c1ccc(S)cc1, OCCCC1CCN(c2ccc(Cl)nn2)CC1 to produce CCOC(=O)c1ccc(SCCCC2CCN(c3ccc(Cl)nn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.