Using CC(C)(C)OC(=O)NCc1ccc(-c2oc(-c3c(F)cccc3F)nc2C(N)=O)cc1 to produce NCc1ccc(-c2oc(-c3c(F)cccc3F)nc2C(N)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.