Using C[C@@H]1CN(c2ccc(Cl)c(Br)c2)C[C@H](C)N1, COC(=O)C1Cc2cccc(S(=O)(=O)Cl)c2C1 to produce COC(=O)C1Cc2cccc(S(=O)(=O)N3[C@H](C)CN(c4ccc(Cl)c(Br)c4)C[C@@H]3C)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.