Using CC(C)(C)OC(=O)N1CCNCC1, O=Cc1cc(Cl)ccc1F to produce CC(C)(C)OC(=O)N1CCN(c2ccc(Cl)cc2C=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.