Using COc1cc2c(cc1[N+](=O)[O-])CCNCC2, CC(F)(F)CO to produce COc1cc2c(cc1[N+](=O)[O-])CCN(CC(C)(F)F)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.