Using COc1cc(S[Si](C(C)C)(C(C)C)C(C)C)cc(OC)c1OC, CCOC(=O)CCCBr to produce CCOC(=O)CCCSc1cc(OC)c(OC)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.