Using ClCOCc1ccccc1, O=C1O[C@H](C(Cl)(Cl)Cl)N2CCC[C@@H]12 to produce O=C1O[C@H](C(Cl)(Cl)Cl)N2CCC[C@@]12COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.