Using CI, O=C(OCc1ccccc1)N1C[C@H](O)C[C@@H]1c1nc(-c2ccccc2)c(-c2ccccc2)o1 to produce CO[C@@H]1C[C@H](c2nc(-c3ccccc3)c(-c3ccccc3)o2)N(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.