Using NCCCN1CCN(CCCN)CC1, Clc1ccc2c(Cl)ccnc2c1 to produce Clc1ccc2c(NCCCN3CCN(CCCNc4ccnc5cc(Cl)ccc45)CC3)ccnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.