Using CC(C)(C)OC(=O)N1CCC(O)(CN(C(=O)CCl)C2(CO[Si](C)(C)C(C)(C)C)CC2)CC1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)CN(C1(CO[Si](C)(C)C(C)(C)C)CC1)C(=O)CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.