Using CC(C)(CO)CS(N)(=O)=O, Cc1c(Cl)nn2ccnc2c1C to produce Cc1c(OCC(C)(C)CS(N)(=O)=O)nn2ccnc2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.