Using O=Cc1ccccc1, O=S(=O)(c1ccccc1)n1ccc2ccncc21 to produce O=S(=O)(c1ccccc1)n1c(C(O)c2ccccc2)cc2ccncc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.