Using COC(=O)c1c(Cc2cc(CCl)cc([C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)c2)cc2cccccc1-2, C[O-] to produce COCc1cc(Cc2cc3cccccc-3c2)cc([C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.