Using O=C1NC(=O)c2ccccc21, CN(C)S(=O)(=O)n1c(CCCCCCCBr)cnc1[Si](C)(C)C(C)(C)C to produce CN(C)S(=O)(=O)n1cncc1CCCCCCCN1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.