Using C1=C2c3ccccc3C3CC2(CN1Cc1ccccc1)c1ccccc13 to produce c1ccc(CN2CC3c4ccccc4C4CC3(C2)c2ccccc24)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.