Using CC(C)COC(=O)Cl, Nc1cc(F)c(N2CCS(=O)(=O)CC2)c(F)c1 to produce CC(C)COC(=O)Nc1cc(F)c(N2CCS(=O)(=O)CC2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.