Using CN(C)c1ccc(-c2cc(=O)c(C(=O)O)cn2-c2ccc3c(c2)OCO3)cc1 to produce CN(C)c1ccc(-c2cc(=O)c(C(=O)O)cn2-c2ccc(O)c(O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.