Using COC(=O)c1ccc(-c2cc(-c3ccc(Cl)cc3)no2)cc1 to produce O=C(O)c1ccc(-c2cc(-c3ccc(Cl)cc3)no2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.