Using O=C(O)c1cc2ccccc2[nH]1, CN1C(=O)C(N)C(=O)N(c2ccccc2)c2cc(Cl)ccc21 to produce CN1C(=O)C(NC(=O)c2cc3ccccc3[nH]2)C(=O)N(c2ccccc2)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.