Using O=C(NCc1ccccc1SC(c1ccccc1)(c1ccccc1)c1ccccc1)c1cc(F)cc(N2CCOCC2)c1 to produce O=C(NCc1ccccc1S)c1cc(F)cc(N2CCOCC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.