Using COCN(Cc1ccccc1)C[Si](C)(C)C, C=C(CN(C)C)C(=O)OC to produce COC(=O)C1(CN(C)C)CCN(Cc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.