Using O=c1cc(-c2ccc(Cl)cc2)c(-c2ccccc2Cl)nn1Cc1ccccc1 to produce O=c1cc(-c2ccc(Cl)cc2)c(-c2ccccc2Cl)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.