Using CC1(C)CC(c2ccccn2)c2ccccc2O1, O=C(Cl)c1ccccc1 to produce CC1(C)CC(c2ccccn2)c2cc(C(=O)c3ccccc3)ccc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.