Using Br[Mg]c1ccccc1, N#CC1(N2CCC(n3c(=O)[nH]c4ccccc43)CC2)CCCCC1 to produce O=c1[nH]c2ccccc2n1C1CCN(C2(c3ccccc3)CCCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.