Using O=S1(=O)N=C(c2c[nH]c3ccccc23)c2ccccc21, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)Cn1cc(C2=NS(=O)(=O)c3ccccc32)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.