Using CC(C)(C)c1ccc(C=O)cc1, NCCc1cc(F)cc(F)c1 to produce CC(C)(C)c1ccc(CNCCc2cc(F)cc(F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.