Using CC(C)(C)c1ccccc1N1CCN(C(=O)c2ccc3[nH]c(S)nc3c2)CC1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CSc1nc2cc(C(=O)N3CCN(c4ccccc4C(C)(C)C)CC3)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.