Using O=c1c(I)c(OCc2ccc(F)cc2)ccn1Cc1cccc(F)c1, C[Sn](C)(C)C to produce Cc1c(OCc2ccc(F)cc2)ccn(Cc2cccc(F)c2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.