Using O=S(=O)(c1ccccc1)n1c(I)cc2c(Br)ccnc21, OCc1cccc(B(O)O)c1 to produce O=S(=O)(c1ccccc1)n1c(-c2cccc(CO)c2)cc2c(Br)ccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.