Using CS(=O)(=O)Cl, CNc1ccc(Cl)c(COc2cccn3c(Br)c(C)nc23)c1 to produce Cc1nc2c(OCc3cc(N(C)S(C)(=O)=O)ccc3Cl)cccn2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.