Using Cc1csc(B2OC(C)(C)C(C)(C)O2)c1, Cc1ccc2c(c1)c1c(n2C2=C(Br)CCC2)CCN(C)C1 to produce Cc1csc(C2=C(n3c4c(c5cc(C)ccc53)CN(C)CC4)CCC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.