Using O=C(CCCl)c1ccccc1, Nc1ccc(C(=O)c2ccc(Cl)cc2)cc1 to produce O=C(c1ccc(Cl)cc1)c1ccc2nccc(-c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.