Using CC(C)(C)OC(=O)N1CCc2ccc(C(=O)NC3COCCn4c3nc(-c3ccncn3)cc4=O)cc2C1 to produce O=C(NC1COCCn2c1nc(-c1ccncn1)cc2=O)c1ccc2c(c1)CNCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.