Using OCCCNc1nc2cc(-c3ccccc3C(F)(F)F)ccc2n2ccnc12, II to produce OCCCNc1nc2cc(-c3ccccc3C(F)(F)F)ccc2n2c(I)cnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.