Using COc1ccc(CN2C(=O)[C@@H]3[C@H]2CCN3C(=O)OCc2ccccc2)cc1OC to produce O=C1N[C@@H]2CCN(C(=O)OCc3ccccc3)[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.