Using COc1ccc2c(c1OC)CC(c1ccccc1)CC2=O, C[Si](C)(C)C#N to produce COc1ccc2c(c1OC)CC(c1ccccc1)C=C2C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.