Using Cc1ccc(-c2c(I)cnn2C)cc1, C=C(OCC)[Sn](CCCC)(CCCC)CCCC to produce CC(=O)c1cnn(C)c1-c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.