Using COc1cc2[nH]nc(-c3cccc(F)c3)c2cc1C(=O)O to produce O=C(O)c1cc2c(-c3cccc(F)c3)n[nH]c2cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.