Using C[C@@H](O)C(=O)N1CC[C@@H](NC(=O)OC(C)(C)C)C1 to produce C[C@@H](O)CN1CC[C@@H](NC(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.