Using O=Cc1cc(OC2CCC3(CC2)OCCO3)nc(C(F)(F)F)n1 to produce OCc1cc(OC2CCC3(CC2)OCCO3)nc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.