Using C[C@@H](c1ccccc1)N1CCC(F)(F)CC1CN1C(=O)c2ccccc2C1=O to produce O=C1c2ccccc2C(=O)N1CC1CC(F)(F)CCN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.