Using O=C([O-])O, Cc1c(-c2cccnc2)n(Cc2ccc(C#N)cc2)c2ccccc12 to produce Cc1c(-c2cccnc2)n(Cc2ccc(C(=O)O)cc2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.