Using CCO, COC(=O)C1(NC(=O)c2cccc(C)c2OC(C)C)Cc2cccc3cccc(c23)C1 to produce C=CCOc1c(C)cccc1C(=O)NC1(C(=O)O)Cc2cccc3cccc(c23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.