Using Cc1cc(C)n2nc(S(C)(=O)=O)nc2n1, OCCOc1ccc(Cl)cc1 to produce Cc1cc(C)n2nc(OCCOc3ccc(Cl)cc3)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.