Using NCC(F)(F)C(=O)O, O=Cc1ccc2cc(OC3CCC4(CCCCC4)CC3)ccc2c1 to produce O=C(O)C(F)(F)CNCc1ccc2cc(OC3CCC4(CCCCC4)CC3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.