Using O=C1N(C(c2ccccc2)c2ccccc2)c2ccccc2C1(O)c1cc2nccnc2cc1O to produce O=C1C(c2cc3nccnc3cc2O)c2ccccc2N1C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.