Using COC(=O)c1nc(-c2ccccc2)ncc1NC(=O)OCc1cc2cc(-c3ccccc3)ccc2o1 to produce O=C(Nc1cnc(-c2ccccc2)nc1C(=O)O)OCc1cc2cc(-c3ccccc3)ccc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.