Using COc1c(C)c2c(c(O[Si](C)(C)C(C)(C)C)c1CC=O)C(=O)OC2, C=CC[Mg]Br to produce C=C(C)C(O)Cc1c(OC)c(C)c2c(c1O[Si](C)(C)C(C)(C)C)C(=O)OC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.