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