Using COC(=O)[C@@H](Cc1ccc2nc(-c3c(Cl)cccc3Cl)ccc2c1)NC(=O)c1c(Cl)cccc1Cl to produce O=C(N[C@@H](CO)Cc1ccc2nc(-c3c(Cl)cccc3Cl)ccc2c1)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.