Using NC(=O)Nc1[nH]c2cc(-c3cccc(C=O)c3)ccc2c1C(N)=O to produce NC(=O)Nc1[nH]c2cc(-c3cccc(CO)c3)ccc2c1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.