Using N[C@@H](CSC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)O, C=CCCC(=O)Cl to produce C=CCCC(=O)N[C@@H](CSC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.