Using CO[C@@H]1COCC[C@@H]1N[C@@H]1CC[C@@](C(=O)N2C[C@@H]3C[C@H]2CN3C(=O)OC(C)(C)C)(C2(O)CCC2)C1 to produce CO[C@@H]1COCC[C@@H]1N[C@@H]1CC[C@@](C(=O)N2C[C@@H]3C[C@H]2CN3)(C2(O)CCC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.