Using CCOC(CNc1ccc(C)c(Br)c1)OCC, O=S(=O)(Cl)c1ccccc1 to produce CCOC(CN(c1ccc(C)c(Br)c1)S(=O)(=O)c1ccccc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.