Using C#CC(=O)C1CN(CC(F)F)CC2(CCN(C(=O)OC(C)(C)C)CC2)O1, NN to produce FC(F)CN1CC(c2cc[nH]n2)OC2(CCNCC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.