Using CCCS(=O)(=O)[C@@]1(c2ccc(-c3ccccc3)cc2)C[C@@H](C(=O)OC)N(C(=O)OCc2ccccc2)C1 to produce CCCS(=O)(=O)[C@]1(c2ccc(-c3ccccc3)cc2)CN[C@H](C(=O)OC)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.