Using COc1ccc(OC)c2c1CC(NC[C@H](O)c1ccc(OCc3ccccc3)c3[nH]c(=O)ccc13)C2 to produce COc1ccc(OC)c2c1CC(NC[C@H](O)c1ccc(O)c3[nH]c(=O)ccc13)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.