Using CCCC[Sn](CCCC)(CCCC)c1cncn1C, Clc1nccnc1Oc1ccc(Nc2ccccn2)cc1 to produce Cn1cncc1-c1nccnc1Oc1ccc(Nc2ccccn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.