Using O=C([O-])[O-], O=C(O)Cc1c(-c2ccccc2)nn(-c2ccccc2)c1-c1ccccc1 to produce O=C(Cc1c(-c2ccccc2)nn(-c2ccccc2)c1-c1ccccc1)Oc1ccccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.