Using NC(=O)c1nc(CCl)n(-c2ccc(Cl)cc2C(=O)c2ccccc2)n1 to produce NC(=O)c1nc(CCl)n(-c2ccc(Cl)cc2C(O)c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.