Using COC(=O)c1ccc(OCCF)cc1OCC1CCCN(C(=O)OC(C)(C)C)C1 to produce CC(C)(C)OC(=O)N1CCCC(COc2cc(OCCF)ccc2C(=O)O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.