Using Nc1ccc(Cl)cn1, O=c1[nH]c2cc3ccccc3cc2c(=O)o1 to produce Nc1cc2ccccc2cc1C(=O)Nc1ccc(Cl)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.