Using [OH-], CCc1cccc(C)c1CNc1cc(C(N)=O)cn2c(C)c(C)nc12 to produce CCc1cccc(C)c1CNc1cc(C(=O)O)cn2c(C)c(C)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.