Using Cn1nncc1C(=O)c1ccc(OCc2ccccc2)cc1, CCOC(=O)C[Si](C)(C)C to produce CCOC(=O)C=C(c1ccc(OCc2ccccc2)cc1)c1cnnn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.