Using CC1(C)OB(c2cnc3[nH]ccc3c2)OC1(C)C, CSc1nccc(-c2cn(C3CCCCO3)nc2I)n1 to produce CSc1nccc(-c2cn(C3CCCCO3)nc2-c2cnc3[nH]ccc3c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.