Using CC(C)(C)OC(=O)NCc1nc(C(=O)O)cc(OCc2ccccc2)c1OCc1ccccc1 to produce CC(C)(C)OC(=O)NCc1[nH]c(C(=O)O)cc(=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.