Using CCC(COC)n1cc(I)c2c(OC)nccc21, CC1(C)OB(c2ccc(S(N)(=O)=O)cc2)OC1(C)C to produce CCC(COC)n1cc(-c2ccc(S(N)(=O)=O)cc2)c2c(OC)nccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.