Using c1ccc2c(C3CCNCC3)c[nH]c2c1, O=C1c2ccccc2C(=O)N1CCCBr to produce O=C1c2ccccc2C(=O)N1CCCN1CCC(c2c[nH]c3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.