Using CCCc1cc(C(OCOC)(C(F)(F)F)C(F)(F)F)ccc1Oc1cc(C(=O)OC)c(I)cn1 to produce CCCc1cc(C(OCOC)(C(F)(F)F)C(F)(F)F)ccc1Oc1cc(C(=O)OC)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.