Using O=C(OCC(=O)c1ccc(C(F)(F)F)cc1)Oc1ccccc1, [NH4+] to produce O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)co1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.