Using O=C(N=c1sc2cc(C(F)(F)F)ccc2n1CCN1CCN(c2ccc(F)cc2)CC1)C(F)(F)F to produce N=c1sc2cc(C(F)(F)F)ccc2n1CCN1CCN(c2ccc(F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.