Using CCOC(=O)CBr, FC(F)(F)c1ccccc1OC1CCN(c2nnc(-c3nn[nH]n3)s2)CC1 to produce CCOC(=O)Cn1nnc(-c2nnc(N3CCC(Oc4ccccc4C(F)(F)F)CC3)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.