Using CCCC[Sn](CCCC)(CCCC)c1nccn1C, C=CC[C@H](NC(=O)COC)[C@H](O)CN[C@H]1CC2(CCC2)Oc2c1cc(CC(C)(C)C)nc2Cl to produce C=CC[C@H](NC(=O)COC)[C@H](O)CN[C@H]1CC2(CCC2)Oc2c1cc(CC(C)(C)C)nc2-c1nccn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.