Using COCC(O)c1cn(COCC[Si](C)(C)C)c2cnn(COCC[Si](C)(C)C)c(=O)c12 to produce C[Si](C)(C)CCOCn1ncc2c(c(CCO)cn2COCC[Si](C)(C)C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.