Using COCOC(CO[Si](C)(C)C(C)(C)C)Cn1c(=O)cnc2ccc(OC)nc21 to produce COCOC(CO)Cn1c(=O)cnc2ccc(OC)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.