Using CCOC(=O)C(C)(C)Cn1ncc2c(-c3noc(-c4cnc(OC(C)C)c(Cl)c4)n3)cccc21 to produce CC(C)Oc1ncc(-c2nc(-c3cccc4c3cnn4CC(C)(C)C(=O)O)no2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.