Using [OH-], COCCn1c2c([n+](Cc3ccncc3)c1C)C(=O)c1ccccc1C2=O to produce COCCNC1=C(N(Cc2ccncc2)C(C)=O)C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.