Using CCCn1c(CCc2ccc(OC(C)(C)C(=O)OCC)cc2)nn(-c2ccc(C(F)(F)F)cc2)c1=O to produce CCCn1c(CCc2ccc(OC(C)(C)C(=O)O)cc2)nn(-c2ccc(C(F)(F)F)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.