Using BrCCc1c[nH]c2ccccc12, O=S(=O)(NCCc1ccccc1)c1cccc2ccccc12 to produce O=S(=O)(c1cccc2ccccc12)N(CCc1ccccc1)CCc1c[nH]c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.