Using COC(=O)C1(NC(=O)c2ccc(OC)c(OCCc3cccc(C)c3)c2)Cc2ccccc2C1 to produce COc1ccc(C(=O)NC2(C(=O)O)Cc3ccccc3C2)cc1OCCc1cccc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.