Using O=C1NC(=O)C(c2ccc3c(c2)CCC3)(c2ncnc3ncccc23)C(=O)N1 to produce c1cnc2ncnc(Cc3ccc4c(c3)CCC4)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.