Using C=CCc1ccc(Nc2c(C(=O)NOCCO)ccc(F)c2F)c(F)c1 to produce CCCc1ccc(Nc2c(C(=O)NOCCO)ccc(F)c2F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.