Using Fc1cc2nc(-c3ccc(Cl)cc3)n(C(COCC3CCCCC3)C3CCCCC3)c2cc1F to produce O=CC(C1CCCCC1)n1c(-c2ccc(Cl)cc2)nc2cc(F)c(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.