Using O=C(OO)c1cccc(Cl)c1, COc1ccccc1-n1c(=O)c2cnc(SC)nc2n1C to produce COc1ccccc1-n1c(=O)c2cnc(S(C)=O)nc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.