Using Cc1nc(Cl)cc2[nH][nH]c(=O)c12, ClC(c1ccccc1)(c1ccccc1)c1ccccc1 to produce Cc1nc(Cl)cc2c1c(=O)[nH]n2C(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.