Using CC(C)n1ncnc1-c1cn2c(n1)-c1ccc(Br)cc1OCC2, C=C(C)C(=O)OC to produce COC(=O)/C(C)=C/c1ccc2c(c1)OCCn1cc(-c3ncnn3C(C)C)nc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.