Using C[C@@H]1CCc2ncnc(N3CC4(CCN(C(=O)OC(C)(C)C)CC4)c4c3ccc(Cl)c4Br)c21, CN(C)C=O to produce C[C@@H]1CCc2ncnc(N3CC4(CCN(C(=O)OC(C)(C)C)CC4)c4c3ccc(Cl)c4C#N)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.