Using COc1cc(C)c2c(ccn2C(=O)OC(C)(C)C)c1C(C)c1nc2cc(C#N)ccc2o1, C=CC(=O)OC to produce COC(=O)CCC(C)(c1nc2cc(C#N)ccc2o1)c1c(OC)cc(C)c2c1ccn2C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.