Using CCOC(=O)Cc1sc(NC(=O)c2cc3ccccc3n2C(C)=O)nc1-c1ccc(OC)cc1OC to produce COc1ccc(-c2nc(NC(=O)c3cc4ccccc4[nH]3)sc2CC(=O)O)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.