Using O=C(O)C(c1ccccc1)c1ccccc1, Nc1ncc(Cc2ccccc2Cl)s1 to produce O=C(Nc1ncc(Cc2ccccc2Cl)s1)C(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.