Using O=c1cc(C(F)(F)F)[nH]c(=O)n1-n1ccc2c(Cl)cccc21, O=C([O-])[O-] to produce Cn1c(C(F)(F)F)cc(=O)n(-n2ccc3c(Cl)cccc32)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.