Using Cn1c(CCCl)nc2ccc3ccccc3c21, Clc1ccc(N2CCNCC2)cc1 to produce Cn1c(CCN2CCN(c3ccc(Cl)cc3)CC2)nc2ccc3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.