Using COC(O[Si](C)(C)C)=C(C)C, COc1cc(C)c2c(ccn2C(=O)OC(C)(C)C)c1C(O)c1nc2cc(C#N)ccc2o1 to produce COc1cc(C)c2[nH]ccc2c1C(c1nc2cc(C#N)ccc2o1)C(C)(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.