Using CC[C@@H]1CO[C@H](C(=O)NCc2ccccc2)CN1C(=O)OC(C)(C)C to produce CC[C@@H]1CO[C@H](C(=O)NCc2ccccc2)CN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.