Using BrCCc1ccccc1, CC(=Cn1c2c(c3cc(C)ccc31)CNCC2)c1ccncc1 to produce CC(=Cn1c2c(c3cc(C)ccc31)CN(CCc1ccccc1)CC2)c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.