Using CC1(C(=O)O)CC1, CC(C)(N)C(=O)Nc1nc(C(F)(F)F)c(C(=O)c2ccc(F)cc2)s1 to produce CC1(C(=O)NC(C)(C)C(=O)Nc2nc(C(F)(F)F)c(C(=O)c3ccc(F)cc3)s2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.