Using COC(=O)c1nc(Cc2ccccc2-c2cccc(C)c2)[nH]c(=O)c1O to produce Cc1cccc(-c2ccccc2Cc2nc(C(=O)O)c(O)c(=O)[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.