Using CI, O=c1[nH]nc(-c2ccc(Cl)cc2)n1Cc1ccccc1 to produce Cn1nc(-c2ccc(Cl)cc2)n(Cc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.