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