Using CC(C)(C)OC(=O)N1CC2CCCCC2C(NC(=O)C(F)(F)F)C1 to produce CC(C)(C)OC(=O)N1CC(N)C2CCCCC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.