Using C=CCC1C(=O)C(C(=O)OC(C)(C)C)N(O)c2ccc3ccccc3c21 to produce C=CCC1C(=O)C(C(=O)O)N(O)c2ccc3ccccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.