Using CI, O=c1c2ccccc2nc(-c2ccc3[nH]ccc3c2)n1-c1ccc(Cl)cc1 to produce Cn1ccc2cc(-c3nc4ccccc4c(=O)n3-c3ccc(Cl)cc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.