Using Cc1cc(C)c2nc(C)n(Cc3ccc(NCC4CCN(C(=O)OC(C)(C)C)CC4)cc3)c2n1 to produce Cc1cc(C)c2nc(C)n(Cc3ccc(NCC4CCNCC4)cc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.