Using C1=COCCC1, C[C@@H](Oc1nc(Cl)ncc1I)C(C)(C)O to produce C[C@@H](Oc1nc(Cl)ncc1I)C(C)(C)OC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.