Using O=C(Cl)c1cccnc1Cl, O=S(=O)(c1ccccc1)n1cccc1 to produce O=C(c1cccnc1Cl)c1cccn1S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.