Using NCc1ccccc1, CC(C)(C)OC(=O)N1CCC(O)(O)C(F)(F)C1 to produce CC(C)(C)OC(=O)N1CCC(NCc2ccccc2)C(F)(F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.