Using CS(=O)(=O)CCCn1c(CO)c(Br)c2cnccc21, O=c1[nH]c2cnccc2n1C1CC1 to produce CS(=O)(=O)CCCn1c(Cn2c(=O)n(C3CC3)c3ccncc32)c(Br)c2cnccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.