Using COC(=O)Cc1ccc2c(c1)C(=C1CCNCC1)c1sccc1CO2, CC(=O)CCCCl to produce COC(=O)Cc1ccc2c(c1)C(=C1CCN(CCCC(C)=O)CC1)c1sccc1CO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.