Using CCCC[SnH](CCCC)CCCC, CC(C)(C)OC(=O)NCC#Cc1ccc(Cl)cc1 to produce CCCC[Sn](CCCC)(CCCC)/C(=C/CNC(=O)OC(C)(C)C)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.