Using COC(=O)c1c2c(c(O)c(=O)n1CCCCCl)C(=O)N(Cc1ccc(F)c(Cl)c1)CC2, CN to produce CNCCCCn1c(C(=O)OC)c2c(c(O)c1=O)C(=O)N(Cc1ccc(F)c(Cl)c1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.