Using Cc1cc(Br)cc(C)c1NC(=S)NN, CCOC(=O)C(Cl)C(C)=O to produce CCOC(=O)c1c(Nc2c(C)cc(Br)cc2C)n[nH]c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.