Using O=c1oc2c(F)c(F)ccc2c2ccc([N+](=O)[O-])cc12 to produce Nc1ccc2c(c1)c(=O)oc1c(F)c(F)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.