Using O=C1[C@@H](NS(=O)(=O)c2ccc3cc(Cl)ccc3c2)CCCN1C1CCN(C2CCCC2)CC1, COC(=O)CBr to produce COC(=O)CN([C@H]1CCCN(C2CCN(C(C)C)CC2)C1=O)S(=O)(=O)c1ccc2cc(Cl)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.