Using Oc1ccn(-c2ccc(Cl)cc2)n1, CCCC[Sn](CCCC)(CCCC)/C(C)=C\CO to produce CCCC[Sn](CCCC)(CCCC)/C(C)=C\COc1ccn(-c2ccc(Cl)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.