Using CN1CC[C@@H](O)C1, O=C(O)C1c2ccccc2Oc2ccccc21 to produce CN1CC[C@@H](OC(=O)C2c3ccccc3Oc3ccccc32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.