Using O=S(=O)(c1ccccc1)n1c(CBr)cc2c(Cl)nccc21, CC(C)(C)OC(=O)N[C@H]1CCNC1=O to produce CC(C)(C)OC(=O)N[C@H]1CCN(Cc2cc3c(Cl)nccc3n2S(=O)(=O)c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.