Using O=C(NC[C@H](NS(=O)(=O)c1ccccc1)C(=O)O)c1ccc2c(c1)C(=O)N(CCNc1ncccn1)C2 to produce O=C(NC[C@H](NS(=O)(=O)c1ccccc1)C(=O)O)c1ccc2c(c1)C(=O)N(CCNC1=NCCCN1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.