Using O=C([O-])[O-], Cc1ccc(C)c(-c2n[nH]cc2NC(=O)c2cnn3cccnc23)c1 to produce Cc1ccc(C)c(-c2c(NC(=O)c3cnn4cccnc34)cnn2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.