Using CCCCCCC(=O)O, CCCCCCCCOc1ccc(-c2cnc(-c3ccc(O)c(F)c3F)nc2)cn1 to produce CCCCCCCCOc1ccc(-c2cnc(-c3ccc(OC(=O)CCCCCC)c(F)c3F)nc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.