Using C[C@@H]1CC[C@@H](Oc2cc(C#N)ccn2)CN1C(=O)OC(C)(C)C to produce C[C@@H]1CC[C@@H](Oc2cc(C#N)ccn2)CN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.