Using CC(C)(C)OC(=O)NC1=N[C@](C)(c2cc(Br)cc(NC(=O)c3ncc(Br)cn3)c2)COC1 to produce C[C@@]1(c2cc(Br)cc(NC(=O)c3ncc(Br)cn3)c2)COCC(N)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.