Using C1=C(COCC(CCCCCCOC2CCCCO2)OC2CCCCO2)OCCC1, [OH-] to produce O[C@@H]1CCCO[C@H]1COCC(CCCCCCOC1CCCCO1)OC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.