Using CC(C)CN([C@H](CO)c1ccc(CN)s1)S(=O)(=O)c1ccc2ncsc2c1, COC(=O)N[C@H](C(=O)O)C(c1ccccc1)c1ccccc1 to produce COC(=O)N[C@H](C(=O)NCc1ccc([C@@H](CO)N(CC(C)C)S(=O)(=O)c2ccc3ncsc3c2)s1)C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.