Using OC1CCC1, CC(C)(C)c1nc(Cl)c2nnn(Cc3ccccc3Cl)c2n1 to produce CC(C)(C)c1nc(OC2CCC2)c2nnn(Cc3ccccc3Cl)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.