Using Cc1c2ccc(Nc3ncc(Cl)c(NC4CC5CN(C(=O)OC(C)(C)C)CC5C4)n3)cc2nn1C to produce Cc1c2ccc(Nc3ncc(Cl)c(NC4CC5CNCC5C4)n3)cc2nn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.