Using CSCC[C@H](N)C(=O)O, CC(=O)SCCC(=O)N1[C@@H](c2ccccc2O)SC[C@H]1C(=O)O to produce CSCC[C@H](NC(=O)[C@@H]1CS[C@H](c2ccccc2O)N1C(=O)CCSC(C)=O)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.