Using CCOC(=O)c1cc2cc(/C=C/C(=O)c3ccc(C)cc3)cc(C(C)(C)C)c2oc1=O to produce Cc1ccc(C(=O)/C=C/c2cc(C(C)(C)C)c3oc(=O)c(C(=O)O)cc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.