Using O=C(O)CCC1(c2ccc(Cl)c(Cl)c2)CCC(=O)NC1=O, C1CCNCC1 to produce NC(=O)C(CCC(=O)O)(CCC(=O)N1CCCCC1)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.