Using COC(=O)C=Cc1nn(C(=O)OC(C)(C)C)c2ccc(OC)cc12, C1CCOC1 to produce COc1ccc2c(c1)c(C=O)nn2C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.