Using O=Cc1ccc(Cl)c(Cl)c1, c1ccc2[nH]c(NC3CCNCC3)nc2c1 to produce Clc1ccc(CN2CCC(Nc3nc4ccccc4[nH]3)CC2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.