Using CN(CCNCCC(c1ccccc1)c1ccc(-c2ccccc2)cc1)Cc1ccccc1 to produce CNCCNCCC(c1ccccc1)c1ccc(-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.