Using O=C(Cl)C=Cc1ccccc1, CC(C)(C)c1cc(N)cc(C(C)(C)C)c1O to produce CC(C)(C)c1cc(NC(=O)C=Cc2ccccc2)cc(C(C)(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.