Using CNCCCCn1c(C(=O)O)c2c(c(O)c1=O)C(=O)N(Cc1ccc(F)c(Cl)c1)CC2 to produce CN1CCCCn2c(c3c(c(O)c2=O)C(=O)N(Cc2ccc(F)c(Cl)c2)CC3)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.