Using CCCCc1cc(C(=O)O)nn1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, OCC(F)(F)F to produce CCCCc1cc(C(=O)OCC(F)(F)F)nn1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.