Using O=C(O)C(=O)Cc1ccccc1, Nc1cccnc1Nc1cccc(-c2cccnc2)c1 to produce O=c1c(Cc2ccccc2)nc2cccnc2n1-c1cccc(-c2cccnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.