Using CC(=O)SCCN(CCc1ccccc1)C(=O)N[C@@H](C)C(=O)N1CCN(C)CC1 to produce C[C@H](NC(=O)N(CCS)CCc1ccccc1)C(=O)N1CCN(C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.