Using O=C1[C@@H](NS(=O)(=O)c2cc3ccc(Cl)cc3s2)CCN1Cc1cc2c(Cl)nccc2[nH]1 to produce O=C1[C@@H](NS(=O)(=O)c2cc3ccc(Cl)cc3s2)CCN1Cc1cc2cnccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.