Using O=C1CCCC(COCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)(c2ccccc2)CCN1 to produce FC(F)(F)c1cc(COCC2(c3ccccc3)CCCCNCC2)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.