Using COC(=O)c1cnc2c(c1)nc(CCc1ccc(C#N)cc1)n2C to produce Cn1c(CCc2ccc(C#N)cc2)nc2cc(C(=O)O)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.