Using CC1(C)CC(O)CC(C)(C)N1N=Nc1ccccc1, O=C(Cl)c1ccccc1 to produce CC1(C)CC(OC(=O)c2ccccc2)CC(C)(C)N1N=Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.