Using C=CCBr, COC(=O)/C(=N\O)c1csc(NC(c2ccccc2)(c2ccccc2)c2ccccc2)n1 to produce C=CCO/N=C(\C(=O)OC)c1csc(NC(c2ccccc2)(c2ccccc2)c2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.