Using NS(=O)(=O)c1ccc(N2CCNCC2)cc1, O=Cc1ccc2c(c1)NC(=O)CO2 to produce NS(=O)(=O)c1ccc(N2CCN(Cc3ccc4c(c3)NC(=O)CO4)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.