Using CS(=O)(=O)Cl, COc1c(Br)cc(CC(=O)NCCc2cccc(N)c2)cc1Br to produce COc1c(Br)cc(CC(=O)NCCc2cccc(NS(C)(=O)=O)c2)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.