Using O=C(O)C1CN(C(=O)OCc2ccccc2)CCN1c1ccc(C(F)(F)F)cc1[N+](=O)[O-] to produce O=C1Nc2cc(C(F)(F)F)ccc2N2CCNCC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.