Using COc1cc(-c2nc(NC(=O)C3(c4ccc5c(c4)OC(F)(F)O5)CC3)ccc2C)c(F)cn1 to produce Cc1ccc(NC(=O)C2(c3ccc4c(c3)OC(F)(F)O4)CC2)nc1-c1cc(=O)[nH]cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.