Using C=C[Sn](CCCC)(CCCC)CCCC, COCCn1c(-c2ccc(C(C)C)cc2)nc2c(I)c(Cc3ccccc3)cc(OC)c21 to produce C=Cc1c(Cc2ccccc2)cc(OC)c2c1nc(-c1ccc(C(C)C)cc1)n2CCOC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.