Using O=C1CCC(=O)N1Cl, CS(=O)(=O)c1ccc(-n2cncc2-c2ccccc2)nc1 to produce CS(=O)(=O)c1ccc(-n2cnc(Cl)c2-c2ccccc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.