Using COC(=O)C(C)(C)NC(=O)c1ccc2ccccc2c1OCCC(C)c1ccccc1 to produce CC(CCOc1c(C(=O)NC(C)(C)C(=O)O)ccc2ccccc12)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.