Using CC[Mg]Br, CC(C)(C)OC(=O)N1CCC2(CCC(O[Si](C)(C)C(C)(C)C)C2C=O)CC1 to produce CCC(O)C1C(O[Si](C)(C)C(C)(C)C)CCC12CCN(C(=O)OC(C)(C)C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.