Using O=C(Nc1ccccc1-c1cc(F)c(-n2ccc(C(F)(F)F)n2)c(F)c1)c1cccnc1Cl, c1cn[nH]c1 to produce Nc1cc(F)c(-n2ccc(C(F)(F)F)n2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.