Using CS(=O)(=O)c1ncc2ccc(-c3cccc4c3OC(F)(F)O4)n2n1, CC(=O)O to produce Oc1ncc2ccc(-c3cccc4c3OC(F)(F)O4)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.