Using COc1ccccc1CNc1ccc2cc(N)ccc2n1, O=C(Cl)C1CC1 to produce COc1ccccc1CNc1ccc2cc(NC(=O)C3CC3)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.