Using O=C(Cl)OCc1ccccc1, N[C@@H](CCSSCC[C@H](N)C(=O)O)C(=O)O to produce N[C@@H](CCSSC(C[C@H](N)C(=O)O)C(=O)OCc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.