Using O[C@H]1CN2CCC1CC2, CCCOC(=O)N1CCc2ccccc2[C@@H]1c1ccccc1 to produce O=C(O[C@H]1CN2CCC1CC2)N1CCc2ccccc2[C@@H]1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.