Using C=C1C2CCN(CC2)C1O, O=C(O)C1(c2ccccc2)CCC1 to produce C=C1C2CCN(CC2)C1OC(=O)C1(c2ccccc2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.