Using C[C@H]1CN(C(=O)OC(C)(C)C)CCCN1S(=O)(=O)c1ccc2cnccc2c1Br, CB(O)O to produce Cc1c(S(=O)(=O)N2CCCN(C(=O)OC(C)(C)C)C[C@@H]2C)ccc2cnccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.