Using COCCCc1nc2c(C(=O)OC)cccc2n1COCC[Si](C)(C)C to produce COCCCc1nc2c(CO)cccc2n1COCC[Si](C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.