Using Cc1c(C(=O)O)nn(-c2ccc(Cl)cc2Cl)c1-c1ccc(Cl)cc1 to produce Cc1c(CO)nn(-c2ccc(Cl)cc2Cl)c1-c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.