Using CC[C@@](CCCCB1OC(C)(C)C(C)(C)O1)(NC(=O)OC(C)(C)C)C(=O)OC to produce CC[C@](N)(CCCCB(O)O)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.