Using Ic1cnn(CCOC2CCCCO2)c1, COB1OC(C)(C)C(C)(C)O1 to produce CC1(C)OB(c2cnn(CCOC3CCCCO3)c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.