Using CC(=O)OC(C)=O, Cc1nc2cccc(-c3cc4c([nH]3)CCNC4=O)c2nc1NC(C)(C)C to produce CC(=O)N1CCc2[nH]c(-c3cccc4nc(C)c(NC(C)(C)C)nc34)cc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.