Using O=C(C=Cc1cccc(F)c1)c1cnc2sc3c(n12)CCCCC3 to produce OC(CCc1cccc(F)c1)c1cnc2sc3c(n12)CCCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.