Using O=C(Cl)OCC1c2ccccc2-c2ccccc21, C[C@H](CCC(=O)O)[C@H]1CC[C@H]2[C@@H]3CC[C@@H]4C[C@@H](N)CC[C@]4(C)[C@H]3CC[C@]12C to produce C[C@H](CCC(=O)O)[C@H]1CC[C@H]2[C@@H]3CC[C@@H]4C[C@@H](NOCC5c6ccccc6-c6ccccc65)CC[C@]4(C)[C@H]3CC[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.