Using CC(C)NC(=O)C1(NCc2ccccc2)CN(C(c2ccccc2)c2ccccc2)C1 to produce CC(C)NCC1(NCc2ccccc2)CN(C(c2ccccc2)c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.