Using C[Sn](C)(C)c1ccccn1, O=c1[nH]c(=O)n([C@H]2C[C@H](O)[C@@H](CO)O2)cc1I to produce O=c1[nH]c(=O)n([C@H]2C[C@H](O)[C@@H](CO)O2)cc1-c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.