Using COC(=O)Cc1csc(-c2cnc(N3CCC(Oc4ccccc4C(F)(F)F)CC3)s2)n1 to produce O=C(O)Cc1csc(-c2cnc(N3CCC(Oc4ccccc4C(F)(F)F)CC3)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.