Using CC1c2nc(N3CCC(Oc4ccc(F)cc4F)CC3)c(NC3CC3)nc2CCN1Cc1ccccc1 to produce CC1NCCc2nc(NC3CC3)c(N3CCC(Oc4ccc(F)cc4F)CC3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.