Using CC(C)(C)OC(=O)NC1CCCN(c2cncc(Cl)n2)C1, CCCC[SnH](CCCC)CCCC to produce CCCC[Sn](CCCC)(CCCC)c1cncc(N2CCCC(NC(=O)OC(C)(C)C)C2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.