Using O=C1NC(=O)c2ccccc21, COc1c(F)c(F)c([N+](=O)[O-])c(F)c1F to produce COc1c(F)c(F)c([N+](=O)[O-])c(N2C(=O)c3ccccc3C2=O)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.