Using O=c1[nH]c(=O)n([C@@H]2OC[C@H](OCc3ccccc3)[C@H](OCc3ccccc3)[C@@H]2OCc2ccccc2)cc1F, CO to produce O=c1[nH]cc(F)c(=O)n1[C@@H]1OC[C@H](O)[C@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.