Using COc1ccc(N(C)c2nc(CCl)nc3ccccc23)cc1, O=C1CCCCN1 to produce COc1ccc(N(C)c2nc(CN3CCCCC3=O)nc3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.