Using O=C(NCC(F)(F)F)c1ccc(-n2nnc(C(=O)NC3CC3)c2CCCBr)cc1 to produce C/C=C/c1c(C(=O)NC2CC2)nnn1-c1ccc(C(=O)NCC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.