Using COC(=O)c1ccc(C)c(-n2cnc3ccc(/C=C/C(=O)OC(C)(C)C)cc3c2=O)c1, C1CCOC1 to produce COC(=O)c1ccc(C)c(-n2cnc3ccc(C=O)cc3c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.