Using CC(C)(C)OC(=O)N1CCCNCC1, O=S1(=O)N(CCBr)c2ccccc2N1c1ccccc1 to produce CC(C)(C)OC(=O)N1CCCN(CCN2c3ccccc3N(c3ccccc3)S2(=O)=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.