Using O=C1NC(=O)c2ccccc21, O=S(=O)(CCCCl)c1ccc(Cl)cc1 to produce O=C1c2ccccc2C(=O)N1CCCS(=O)(=O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.