Using CCCCCCCCCCCCC(O)c1coc([Si](C)(C)C)c1, O=C(Cl)CCCBr to produce CCCCCCCCCCCCC(OC(=O)CCCBr)c1coc([Si](C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.