Using C[C@H](Nc1c(-c2c(F)cc(F)cc2F)c(Cl)nc2ncnn12)C(F)(F)F, CNCCCO to produce CNCCCOc1cc(F)c(-c2c(Cl)nc3ncnn3c2N[C@@H](C)C(F)(F)F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.