Using CCCCC(O)Cc1c(O)c2cccnc2n(-c2ccccc2)c1=O to produce CCCCC1Cc2c(c3cccnc3n(-c3ccccc3)c2=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.