Using COC(=O)Cc1ccc(NC(=O)OC(C)(C)C)cc1OCC(F)(F)F to produce CC(C)(C)OC(=O)Nc1ccc(CC(=O)O)c(OCC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.