Using Cn1c2cc(Cl)ccc2c2c(CO)nn(-c3ccccc3)c(=O)c21 to produce Cn1c2cc(Cl)ccc2c2c(C=O)nn(-c3ccccc3)c(=O)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.