Using CS(=O)(=O)Cl, CCOC(=O)c1c(C2=CCCC2)oc2cc(N)c(Br)cc12 to produce CCOC(=O)c1c(C2=CCCC2)oc2cc(NS(C)(=O)=O)c(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.